The spring is made of alloy steel, which is more durable than manganese steel. If you need manganese steel, please contact us and get the cheapest price!

Name : Die Spring(green)

Material: Alloy steel

Loading Grade :Heavy load

Outer diameter(OD) : 6mm-50mm

Inner diameter( ID) : 3mm-25mm

For example：outer diameter =6mm，inner diameter=3+mm（OD=2ID）

If you need other sizes. Please contact us!

Package includes: 1PC x according to your choose

Features:
Made of high-quality Alloy steel, precision machining, good elasticity, high rigidity and durability.
green spring (Heavy load): can be compressed to 24% of the total length
The surface is reinforced and has a strong structure and long service life.

Small load (yellow) < light load (blue) < medium load (red) < heavy load (green) < + heavy load (tan)

Note:
1.Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.
2.The measurement allowed error is +/- 1-3mm.
3.Some products have no printed words, we will deliver them randomly.