General description Stainless Steel Bow Shackles with Screw Collar Pins are essential components for connecting different parts together, primarily used with chains and ropes. These shackles are particularly favored in the marine industry due to their construction from 316 Grade Stainless Steel, which provides excellent rust protection. Technical specifications Body & Pin Diameter (Size): 20MM Metal: 316 Grade Stainless Steel Product Code: SFSSB20 Breaking Load: 13882 KG Dimensions: A (MM): 18.5 B (MM): 18.5 C (MM): 38 D (MM): 38.5 E (MM): 68 F (MM): 67 G (MM): 33.5