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.

Otto Frei

GRS 003-674 Step Riser For Microblocks - Otto Frei

GRS 003-674 Step Riser For Microblocks - Otto Frei

Otto Frei

GRS 003-674 Step Riser For Microblocks

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$35.00

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shop is the next step on our mission to make commerce better for everyone.

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

The GRS 003-674 Step Riser Set is designed to raise the height of GRS Microblock vises, giving jewelers, engravers, and stone setters greater flexibility when adjusting their working distance — particularly when using a microscope. Each set...

Delivery & Returns

Returns accepted within 30 days

Exclusions may apply. See full policy

Otto Frei

Otto Frei

4.8 (1.4K)

You might also like

GRS 004-735 Inside Diameter Ring Holder With 20 Mandrels - Otto Frei

Otto Frei

GRS 004-735 Inside Diameter Ring Holder With 20 Mandrels

Jura Swiss Ceragloss Blue Medium Diamond Polishing Wheel - Otto Frei

Otto Frei

Edenta Swiss Ceragloss Blue Medium 25mm x 2mm Square Edge Diamond Polishing Wheel

Maun Parallel Pliers Flat Nose Smooth Jaw-Made in England - Otto Frei

Otto Frei

Maun Parallel Pliers Flat Nose Smooth Jaw-Made in England

GRS 003-684 Microblock Ball Vise With 30 Piece Attachment Set - Otto Frei

Otto Frei

GRS 003-684 MicroBlock Complete with 30-Piece GRS 003-520 Attachment Set

Diamond Disc Edenta Swiss 0.20mm X 22.00mm-Both Sides Coated - Otto Frei

Otto Frei

Edenta Swiss Diamond Disc 0.2mm X 22mm-Both Sides Coated-Fine Grit 50 Micron

GRS 004-758 Slide & Lock Mini Workholding Fixture - Otto Frei

Otto Frei

GRS 004-758 Slide & Lock Mini Workholding Fixture

Buff Rake - Otto Frei

Otto Frei

Buff Rake

Knew Concepts

Knew Concepts

5

(56)

Jett Basic Plastiform 1 Lb. Jar - Otto Frei

Otto Frei

Jett Basic Plastiform 1 Lb. Jar

GRS 003-651 MicroBlock Short Jaw Kit - Otto Frei

Otto Frei

GRS 003-651 MicroBlock Short Jaw Kit

Swiss Topstar Brown Polishing Wheels - Otto Frei

Otto Frei

Swiss Topstar Brown Polishing Wheels-Various Packs

GRS 004-679 Horizontal Inside Ring Holder with 7 Collets - Otto Frei

Otto Frei

GRS 004-679 Horizontal Inside Ring Holder with 7 Collets

JURA OZ.HC.05 Organizer for Hand Chucks - Otto Frei

Otto Frei

Jura by GRS 523-014 Bench Mount Organizer for 5 Gravers or Hand Chucks

GRS 003-550 Leather Ring Clamp Set - Otto Frei

Otto Frei

GRS 003-550 Leather Ring Clamp Set

Jura Swiss Ceragloss Yellow Fine Diamond Polishing Wheel - Otto Frei

Otto Frei

Edenta Swiss Ceragloss Yellow Fine 25mm x 2mm Square Edge Diamond Polishing Wheel

(2)

Yellow Chemkote Fine Muslin Buff - Otto Frei

Otto Frei

Yellow Chemkote Fine Muslin Buff

Lion Punch Forge

4.9

(814)

Jura by GRS Small Stackable MicroBlock Vise Base - Otto Frei

40% off

Otto Frei

Jura by GRS Small Stackable MicroBlock Vise Base

Otto Frei

GRS 022-500 Engraver's Starter Gravers Kit

Unstitched Finex Muslin Buff with Leather Center - Otto Frei

Otto Frei

Unstitched Finex Muslin Buff with Leather Center

Otto Frei

Glardon-Vallorbe Swiss Half-Round Slim Precision Files - LP1566

Busch Carbide Round Burs Fig 1AU 3/32" Shank 0.40mm-2.30mm - Otto Frei

Otto Frei

Busch Fig 1AU Carbide Round Burs 3/32" Shank 0.30mm-3.50mm-By the Piece

GRS 004-628 Multi-Purpose Vise - Otto Frei

Otto Frei

GRS 004-628 Multi-Purpose Vise

(1)

Double Ended Pin Vise - Otto Frei

Otto Frei

Double Ended Pin Vise

Fox Twist Drills on 3/32" Shanks .50mm-2.30mm - Otto Frei

Otto Frei

Fox Twist Drills on 3/32" Shanks .50mm-2.30mm

Diamond Sintered (Diamond Throughout) Disc Edenta Swiss 0.60mm X 22.00mm - Otto Frei

Otto Frei

Diamond Sintered (Diamond Throughout) Disc Edenta Swiss 0.60mm X 22.00mm

Pepetools

Pepetools

4.9

(1.6K)

GRS 011-336 Set Of 4 Color Coded Quick Change (QC) Tool Trays - Otto Frei

Otto Frei

GRS 011-336 Set Of 4 Color Coded Quick Change (QC) Tool Trays

20% off

Otto Frei

GRS Pack of 5 Maxim Hand Chucks with Chuck Holder

GRS 003-531 Standard Engraving Block With Attachment Set - Otto Frei

Otto Frei

GRS 003-531 Standard Engraving Block with GRS 30 Piece 003-520 Attachment Set

Otto Frei

Tungsten Carbide Micro Rotary Burnishers Set of 3-Coarse, Medium, Fine on 3/32" Shanks

(3)

GRS 004-705 Set of 10 Mandrels for I.D. Ring Holder - Otto Frei

Otto Frei

GRS 004-705 Set of 10 Mandrels for I.D. Ring Holder

Japanese Roll Sanders - Packs of 10 - Otto Frei

Otto Frei

Japanese Roll Sanders 240-1000 Grits - Packs of 10

Fox Fig. 446 Shallow-Hart 70 Degree Burs .90mm-2.30mm - Otto Frei

Otto Frei

Fox Fig. 446 Shallow-Hart 70 Degree Burs .90mm-2.30mm

Swivel Handle with Collet - Otto Frei

Otto Frei

Swivel Handle with Collet

(2)

GRS 006-024 Alexandre Triple-Edge Clamp - Otto Frei

Otto Frei

GRS 006-024 Alexandre Triple-Edge Clamp

Swiss Ball Bur Kit-17 Piece-0.5mm to 3.0mm - Otto Frei

Otto Frei

Swiss Ball Bur Kit-17 Piece-0.5mm to 3.0mm

(1)

Hi-Tech Diamond

4.7

(990)

Fox Fig. 1 Ball Burs 0.30mm-3.70mm - Otto Frei

Otto Frei

Fox Fig. 1 Ball Burs 0.30mm-3.70mm

(2)

GRS 004-847 Vertical Inside Ring Holder with 7 Collets - Otto Frei

Otto Frei

GRS 004-847 Vertical Inside Ring Holder with 7 Collets

tonyadavidson

5

(9)

Otto Frei

GRS 006-255 MicroBlock One

Mushroom Shaped Wood Handle with 2 Chucks-0 to 3.0mm - Otto Frei

Otto Frei

Mushroom Shaped Wood Handle with 2 Chucks-0 to 3.0mm

GRS 004-557 Fixed Mounting Plate - Otto Frei

Otto Frei

GRS 004-557 Fixed Mounting Plate

(1)

GRS 003-520-30 Piece Attachment Set - Otto Frei

Otto Frei

GRS 003-520-30 Piece Attachment Set

Busch Fig. 156C Hart 90 Degree Burs .70mm-3.70mm - Otto Frei

Otto Frei

Busch Fig. 156C Hart 90 Degree Burs .70mm-3.70mm

Glardon-Vallorbe Barrette Needle Files - LA2411 - Otto Frei

Otto Frei

Glardon-Vallorbe Barrette Needle Files - LA2411

(1)

Busch Fig. 411T - Twincut Concave Cup Burs .80mm-2.00mm-6 Packs - Otto Frei

Otto Frei

Busch Fig. 411T - Twincut Concave Cup Burs .80mm-2.00mm-6 Packs

GRS 003-530 Standard Engraving Block Without Attachment Set - Otto Frei

Otto Frei

GRS 003-530 Standard Engraving Block Without Attachment Set

Value Line Chasing Hammers - Otto Frei

Otto Frei

Value Line Chasing Hammers

JURA Plastic Bur Box Storage Container - Otto Frei

Otto Frei

Otto Frei Plastic Bur Box Storage Container

(2)

Otto Frei

GRS 003-615 Low Profile Engraving Block

Combed Finex Muslin Buff with Leather Center - Otto Frei

Otto Frei

Combed Finex Muslin Buff with Leather Center

GRS 003-683 Microblock Ball Vise Without Attachment Set - Otto Frei

Otto Frei

GRS 003-683 MicroBlock without Attachment Set

GRS 003-774 MicroBlock XL with 30 Piece GRS 003-520 Attachment Set - Otto Frei

Otto Frei

GRS 003-774 MicroBlock XL with 30 Piece GRS 003-520 Attachment Set

Pear Shaped Wood Handle with 2 Chucks - Otto Frei

Otto Frei

Pear Shaped Wood Handle with 2 Chucks

(1)

JOOLTOOL

5

(114)

3" Purple Ceramic 80-120-220 grit 9-pack

3" Purple Ceramic 80-120-220 grit 9-pack

3M SCRATCH ERASERS - JOOLTOOL

AGILO Sharp Diamond Carbide Gravers Shaping-Polishing Kit - Otto Frei

10% off

Otto Frei

AGILO Sharp Diamond Carbide Gravers Shaping-Polishing Kit

(1)

Shofu Greenie Polishing Wheels-Packs of 12 - Otto Frei

Otto Frei

Shofu Greenie Polishing Wheels-Packs of 12

AGILO 5010 DIASTONE Diamond Grinding Wheel - Otto Frei

Otto Frei

AGILO 5010 DIASTONE Diamond Sintered Grinding Wheel

GRS 003-800 GraverHone VS Complete with Apex Sharpening System - Otto Frei

Otto Frei

GRS 003-800 GraverHone VS Complete with Apex Sharpening System

Glardon-Vallorbe Needle File Set of 6 - 6-1/4" (16cm) Cut 4 Fine - Otto Frei

Otto Frei

Glardon-Vallorbe Needle File Set of 6 - 6-1/4" (160mm) Cut 4 Fine

Busch Fig. 2 Wheel Burs .60mm-2.90mm - Otto Frei

Otto Frei

Busch Fig. 2 Wheel Burs .60mm-2.90mm

GRS 003-656 Satellite Turntable Only - Otto Frei

Otto Frei

GRS 003-656 Satellite Turntable Only

Otto Frei

Sponge Type Mirror Finished Polishing Wheels 120-1500 Grit-Kit of 8

Diamond Sintered (Diamond Throughout) Square Edge Wheel Edenta Swiss - Otto Frei

Otto Frei

Edenta Swiss Diamond Sintered (Diamond Throughout) Square Edge Wheel 2.5mm x 22mm

GRS 003-609 Leather Pads for Blocks or Vises - Otto Frei

Otto Frei

GRS 003-609 Leather Pads for Blocks or Vises

Busch Fig 411T Twincut Concave Cup Bur Kit of 12-0.80mm to 2.00mm - Otto Frei

Otto Frei

Busch Fig 411T Twincut Concave Cup Bur Kit of 12-0.80mm to 2.00mm

(1)

GRS 004-757 Slide & Lock Original Tall Workholding Fixture - Otto Frei

Otto Frei

GRS 004-757 Slide & Lock Original Tall Workholding Fixture

(1)

10% off

Otto Frei

AGILO Universal Handles Kit of 5

GRS Thermo-Loc Sticks - Otto Frei

Otto Frei

GRS Thermo-Loc Sticks

(1)

GRS Large Engraving Block Shelf with Adjustable Hanger - Otto Frei

Otto Frei

GRS Large Engraving Block Shelf with Adjustable Hanger

SEP Tools

4.9

(35)

Busch Starlight Carbide Polishers-4 Different Shapes - Otto Frei

Otto Frei

Busch Starlight Carbide Polishers-4 Different Shapes

(2)

Otto Frei

Tonya Davidson Busch Mixed Shapes Burs & Twist Drills Kit of 28 Pieces on 3/32 Shanks