Product -- Torsion Spring (10pcs)
Material -- 65Mn Spring Steel
WD -- 0.8mm
Angle -- 60/90/120/180 Degree
OD -- 4/5/6/7/8/9/10mm
WIDE Used for: Widely used in doors, curtain, automobiles, bicycles, Steel devices, umbrella, kettle, , aircraft, antique tape recorder, repair toy, pliers, piano, scissors, electrical, etc