5mm Long Shackle. Forged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter. Long shackles have a similar shape to inDin shackles but are proportionally longer for their width.Specifications: Shackle pin: 5mm / 3/16in Weight: 22g / 0.78oz. Maximum working load: 540kg / 1190lb. Breaking load: 1080kg / 2380lb.