Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

The Power Tool Store

KLEIN TOOLS 3/8" L-Style Ball-End Hex Key

KLEIN TOOLS 3/8" L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools 3/8" L-Style Ball-End Hex Key

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$5.49

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

Description

Klein hex-keys are the tools professionals cannot afford to be without. Heat-treated and tempered for superior strength and durability, Klein hex-keys are designed for a precise fit in sockets, preventing slippage and stripping of the socke...

Delivery & Returns

The Power Tool Store

The Power Tool Store

The Power Tool Store

4.8 (75)

You might also like

KLEIN TOOLS 8 mm L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools 8 mm L-Style Ball-End Hex Key

Harfington

1.5mm Ball End Hex Key T-Handle Wrench Spanner Metric CR-V Steel

KLEIN TOOLS .05" L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools .05" L-Style Ball-End Hex Key

KLEIN TOOLS Wood Folding Rule w/ Extension

The Power Tool Store

Klein Tools Wood Folding Rule w/ Extension

KLEIN TOOLS 10 mm L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools 10 mm L-Style Ball-End Hex Key

KLEIN TOOLS 1/4" Long Arm Hex Key

The Power Tool Store

Klein Tools 1/4" Long Arm Hex Key

KLEIN TOOLS 2.5 mm L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools 2.5 mm L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools Ratcheting Refrigeration Wrench 6-13/16-Inch

KLEIN TOOLS Serrated Electrician Scissors w/ Stripping

The Power Tool Store

Klein Tools Serrated Electrician Scissors w/ Stripping

The Power Tool Store

CHAMPION 5 PC. HSS Annular Cutter Set

KLEIN TOOLS 12" Bent Trimmer w/ Large Ring & Coated Handles

The Power Tool Store

Klein Tools 12" Bent Trimmer w/ Large Ring & Coated Handles

The Power Tool Store

Klein Tools 5/32-Inch Hex Key, Journeyman‰ã¢ T-Handle, 6-Inch

9 x 11MM Flare Nut Wrench

The Power Tool Store

Milwaukee Metric Double End Flare Nut Wrench

The Power Tool Store

Klein Tools 2-in-1 Impact Socket, 6-Point, 3/4 and 9/16-Inch

KLEIN TOOLS 11/16" & 3/4" Open-End Wrench

The Power Tool Store

Klein Tools 11/16" & 3/4" Open-End Wrench

The Power Tool Store

Klein Tools 2 mm Hey Key, Journeyman‰ã¢åÊT-Handle, 9-Inch

KLEIN TOOLS 5/16" L-Style Ball End Hex Key

The Power Tool Store

Klein Tools 5/16" L-Style Ball End Hex Key

KLEIN TOOLS TEST + MAP™ Remote #7 For SCOUT® Pro 3 Tester

The Power Tool Store

Klein Tools TEST + MAP™ Remote #7 For SCOUT® Pro 3 Tester

The Power Tool Store

Klein Tools 7/32-Inch Ball-End Hex Key, Journeyman‰ã¢ T-Handle, 6-Inch

KLEIN TOOLS 7/64" L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools 7/64" L-Style Ball-End Hex Key

KLEIN TOOLS 3 mm L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools 3 mm L-Style Ball-End Hex Key

KLEIN TOOLS 5/32" L-Style Ball End Hex Key

The Power Tool Store

Klein Tools 5/32" L-Style Ball End Hex Key

The Power Tool Store

Klein Tools Milled Face Hickory Handle Hammer, 20-Ounce

The Power Tool Store

Klein Tools T30 TORXå¨ Hex Key, Journeyman‰ã¢ T-Handle, 6-Inch

KLEIN TOOLS 1" Ratcheting Box End Wrench

The Power Tool Store

Klein Tools 1" Ratcheting Box End Wrench

LockNLube

4.7

(9K)

The Power Tool Store

Klein Tools 1/2-Inch Hex Key, Journeyman‰ã¢ T-Handle, 9-Inch

The Power Tool Store

Klein Tools Heavy Duty Bent Trimmer, Right-Handed, 11-Inch

KLEIN TOOLS JOURNEYMAN™ 8" Long Nose Side Cutting & Stripping Pliers

The Power Tool Store

Klein Tools JOURNEYMAN™ 8" Long Nose Side Cutting & Stripping Pliers

KLEIN TOOLS Outside Reading Fiberglass Folding Rule

The Power Tool Store

Klein Tools Outside Reading Fiberglass Folding Rule

Tool Nut

4.9

(811)

Milwaukee 48-32-4440 Shockwave 1-Inch 2-Piece Impact EcxCombo Kit

Milwaukee 48-32-4443 Shockwave 2-Inch 2-Piece Ecx Combo Kit

KLEIN TOOLS 4 mm L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools 4 mm L-Style Ball-End Hex Key

The Power Tool Store

SAWSTOP Industrial Cabinet Saw ICS™ 7.5HP 3ph 230V 60Hz 36" Industrial T-Glide Fence System

Harfington

4pcs 5mm Ball End Hex Key T-Handle Wrench Spanner Metric S2 Steel

KLEIN TOOLS 1.5 mm L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools 1.5 mm L-Style Ball-End Hex Key

Klein Tools JTH6M5BE 5 mm Ball Hex Key Journeyman T-Handle 6-Inch - Edmondson Supply

34% off

Edmondson Supply

Klein Tools JTH6M5BE 5 mm Ball-End Hex Key, Journeyman™ T-Handle, 6-Inch

The Power Tool Store

Klein Tools 5 mm Ball-End Hex Key, Journeyman‰ã¢ T-Handle, 6-Inch

KLEIN TOOLS Tanto Blade KTO Resurgence Knife w/ Moss Green Handle

The Power Tool Store

Klein Tools Tanto Blade KTO Resurgence Knife w/ Moss Green Handle

KLEIN TOOLS 8" High-Visibility Needle Nose Side-Cutter Pliers

The Power Tool Store

Klein Tools 8" High-Visibility Needle Nose Side-Cutter Pliers

The Power Tool Store

Klein Tools Wire Rope Punch, 1-1/4-Inch

The Power Tool Store

Klein Tools Color Coded Hex Key Set, SAE and Metric, 18-Piece

The Power Tool Store

Klein Tools 5/16-Inch Ball-End Hex Key, Journeyman‰ã¢ T-Handle, 6-Inch

The Power Tool Store

Klein Tools 2 Blade Pocket Knife, Steel, 2-1/2-Inch Blade

The Power Tool Store

Klein Tools 2 mm Hex Key, Journeyman‰ã¢ T-Handle, 6-Inch

The Power Tool Store

Milwaukee Tools 2pk FASTBACK™ 6IN1 Folding Utility Knife

KLEIN TOOLS 3/16" L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools 3/16" L-Style Ball-End Hex Key

KLEIN TOOLS 7/32" L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools 7/32" L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools 3/8-Inch Ball-End Hex Key, Journeyman‰ã¢ T-Handle, 6-Inch

Compact Folding Utility Knife

The Power Tool Store

Milwaukee FASTBACK™ Compact Folding Utility Knife

Klein 9 - Key Inch Folding Hex - Key Set - 70591 - J.L. Matthews Co., Inc.

J.L. Matthews Co., Inc.

Klein 9-Key Inch Folding Hex-Key Set - 70591

(2)

Fasteners Inc

Fasteners Inc

4.9

(1K)

DeWalt DW1589 12" EXTENSION

DeWalt DW1589 12" EXTENSION

4-1/2" x .045" x 7/8" Metal Cut Off Wheel-Type 1 with a red label showing product specifications and a barcode.

primary_image

primary_image

The Power Tool Store

Klein Tools 7/32-Inch Hex Key, Journeyman‰ã¢ T-Handle, 6-Inch

KLEIN TOOLS 9" JOURNEYMAN™ Side Cutting Pliers

The Power Tool Store

Klein Tools 9" JOURNEYMAN™ Side Cutting Pliers

Haus of Tools

Klein Tools JTH9E17 Journeyman T-Handle Hex Key, 9" x 1/2"

Folding Utility Knife

The Power Tool Store

Milwaukee FASTBACK™ Folding Utility Knife

3/8" Deep Socket

The Power Tool Store

Milwaukee 1/2" Drive SAE 6-Point Sockets Hand Tool

The Power Tool Store

Klein Tools 1/8-Inch Hex Key, Journeyman‰ã¢ T-Handle, 6-Inch

KLEIN TOOLS 8" Heavy-Duty New England Nose High Leverage Side Cutting Pliers

The Power Tool Store

Klein Tools 8" Heavy-Duty New England Nose High Leverage Side Cutting Pliers

The Power Tool Store

Klein Tools Pro Folding Hex Key Set, 31-Key, SAE, Metric, TORX® Sizes, 3-Piece

The Power Tool Store

Klein Tools Pro Folding Hex Key Set, 10-Key, Metric Sizes

KLEIN TOOLS 5 mm L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools 5 mm L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools 5/32-Inch Ball-End Hex Key, Journeyman‰ã¢ T-Handle, 6-Inch

The Power Tool Store

Klein Tools 3-Inch Extension

KLEIN TOOLS 2 mm Long-Arm Hex-Key

The Power Tool Store

Klein Tools 2 mm Long-Arm Hex-Key

The Power Tool Store

Klein Tools 10 mm Ball-End Hex Key, Journeyman‰ã¢åÊT-Handle, 6-Inch

KLEIN TOOLS 8" End-Cutting Pliers

The Power Tool Store

Klein Tools 8" End-Cutting Pliers

The Power Tool Store

Klein Tools 7/64-Inch Ball-End Hex Key, Journeyman‰ã¢ T-Handle, 6-Inch

The Power Tool Store

Single Segment CORE-LOCK for SOFT concrete

KLEIN TOOLS Black Drop Point Blade Pocket Knife

The Power Tool Store

Klein Tools Black Drop Point Blade Pocket Knife

KLEIN TOOLS 9" Aggressive Knurl Ironworker's Pliers

The Power Tool Store

Klein Tools 9" Aggressive Knurl Ironworker's Pliers

The Power Tool Store

Klein Tools 5/32-Inch Hex Key, Journeyman‰ã¢ T-Handle, 9-Inch

The Power Tool Store

Klein Tools 1/4-Inch Hex Key, Journeyman‰ã¢ T-Handle, 9-Inch

MAKITA 18V LXT® 14 Gauge Straight Shear Kit

The Power Tool Store

MAKITA 18V LXT® 14 Gauge Straight Shear Kit

KLEIN TOOLS 11-Key SAE Sizes Pro Folding Hex Key Set

The Power Tool Store

Klein Tools 11-Key SAE Sizes Pro Folding Hex Key Set

KLEIN TOOLS 5/64" Long Arm Hex Key

The Power Tool Store

Klein Tools 5/64" Long Arm Hex Key

KLEIN TOOLS 1/8" L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools 1/8" L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools 1/8-Inch Ball-End Hex Key, Journeyman‰ã¢ T-Handle, 6-Inch

The Power Tool Store

Klein Tools Hex Key Adapter for Refrigeration Wrench

The Power Tool Store

Klein Tools 8 mm Ball-End Hex Key, Journeyman‰ã¢ T-Handle, 6-Inch

The Power Tool Store

Klein Tools KNECT™ Flip-20 Impact Socket Set, SAE and Metric, 13-Piece

KLEIN TOOLS 1/4" L-Style Ball-End Hex Key

The Power Tool Store

Klein Tools 1/4" L-Style Ball-End Hex Key

KLEIN TOOLS JOURNEYMAN™ 8" Long Nose Side Cutting Pliers

The Power Tool Store

Klein Tools JOURNEYMAN™ 8" Long Nose Side Cutting Pliers

KLEIN TOOLS KLEIN-KURVE® Retractable Utility Knife

The Power Tool Store

Klein Tools KLEIN-KURVE® Retractable Utility Knife

KLEIN TOOLS JOURNEYMAN™ 6-3/4" Long Nose Side Cutting Pliers

The Power Tool Store

Klein Tools JOURNEYMAN™ 6-3/4" Long Nose Side Cutting Pliers

The Power Tool Store

Klein Tools T40 TORXå¨ Hex Key, Journeyman‰ã¢åÊT-Handle, 6-Inch

Haus of Tools

Klein Tools 86939 Hex Key Adapter for Refrigeration Wrench

The Power Tool Store

Klein Tools 3/8-Inch Hex Key, Journeyman‰ã¢ T-Handle, 6-Inch

Template Guide Kit 9 Piece

The Power Tool Store

Milwaukee Template Guide Kit 9 Piece

KLEIN TOOLS 9" Insulated New England Nose High Leverage Side Cutting Pliers

The Power Tool Store

Klein Tools 9" Insulated New England Nose High Leverage Side Cutting Pliers

The Power Tool Store

Klein Tools 1/2-Inch Ball-End Hex Key, Journeyman‰ã¢ T-Handle, 6-Inch