Orsion springs used at the two endpoints of the force t where it is needed to resist. Torsion springs are often served as activator element. Ends of torsion springs usually can be flat, short, offset, hook, hinge. Where to use: in use automobile, electric, white goods, furniture, machinery industries. Size: from 0.10 mm to 15 mm Type of material: patent annealed cold drawn unalloyed spring steel wire. Oil hardened and tempered spring steel wire. Stainless spring steel. Delivery time: can change according to amount of product (number) the that you have indicated with order. 80x120x90