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Kewlus

4.5 (123)

Classic (KS2) Cobra Bag Spring

Name: Kewlus Classic (KS2) Cobra Bag Spring - Classic (KS2) Cobra Bag Spring
Brand: Kewlus
SKU: 37793026539687
Price: 30.0 USD
Availability: InStock
Rating: 4.8333 (39 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$30.00

Quantity

Color

Black

Quantity

Description

Save a ton of money by making your own DIY Boxing Cobra Punching Bag with the Kewlus Classic (KS2) Cobra Bag Spring. Increase the speed to your liking, yes with the Classic spring the speed is adjustable! This spring is roughly 12 inches (3...

Reviews

4.8

42 ratings

KS2 spring

I absolutely love the spring. Just in general Reedys product was crafted from dedication. The teaching of diy builds sets Reedy apart from other businesses. Hands down a good product and a great person who backs hos product.

Brian · April 22, 2026

Awesome product

Great product works as advertised

steven · January 6, 2026

This cobra bag spring is great really hard stuff I made different DIY from your website with poll noodles.with basketball and with soccer balls and spring works great with everything it was 100 percent worth buying thanks for making such a great product

Saheefah · October 23, 2025