[Specification] -- Size = WD * OD * Long
[WD] -- 0.6mm
[OD] -- 6mm
[Long] -- 50mm, 60mm, 70mm, 80mm, 90mm, 100mm, 110mm, 120mm, 140mm, 160mm, 200mm, 220mm, 240mm, 280mm,300mm
[Package Include] -- 5pcs/10pcs * Tension spring ( hook opening )
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