[Product] -- Torsion Spring (10pcs)
[Material] -- 65Mn Steel
[WD] -- 1.2mm
[Laps] -- 3 laps, 6 laps, 9 laps
[Angle] -- 60 Degrees , 90 Degrees , 120 Degrees , 180 Degrees
WIDE Used for: Widely used in doors, curtain, automobiles, bicycles, Steel devices, umbrella, kettle, razor, aircraft, antique tape recorder, repair toy, pliers, piano, scissors, electrical, etc