80PCS Torsion Spring Assortment Kit, 20 Sizes 60/90/120/180 Degree Stainless …
【What you get: 80PCS / 20 Sizes】. 【Why choose Torsion Springs?. 【ROTATIONAL FORCE ONLY – NOT A GENERAL SPRING KIT】 Unlike extension or compression springs, our torsion springs provide torque for parts that twist (door handles, 3D printer arms, hinges).
