[Specification] -- Size = WD * OD * Long
[WD] -- 1.2mm
[OD] -- 8mm, 9mm, 10mm, 12mm
[Long] -- 30mm, 40mm, 50mm, 60mm, 70mm, 80mm, 90mm, 100mm
[Package Include] -- 2pcs * Stainless Steel 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