Bow Shackles With Screw Collar Pins Body & Pin Diameter (Size) - 20MM Metal - 316 Grade Stainless Steel Product Code Breaking Load (KG) A (MM) B (MM) C (MM) D (MM) E (MM) F (MM) G (MM) SFSSB04 591 4 4 8 7.5 20 13 7 SFSSB05 928 5 5 10 10 26.5 18.5 9 SFSSB06 1346 6 6 13 12 31.5 20.25 10 SFSSB08 2417 7.8 7.8 16 16 27.9 28 14 SFSSB10 3804 10 10 20 20 34 35 17.5 SFSSB12 5599 11.6 11.9 24.7 24 42 42.5 21.25 SFSSB16 9965 15.5 15.8 35.1 32 55 56 28 SFSSB20 13882 18.5 18.5 38 38.5 68 67 33.5 Shackles Are Used As A Means Of Connecting Different Parts Together, These Are Mainly Used With Chain And Rope. These Are Hugely Popular With The Marine Industry As They Are Manufactured From 316 Grade Stainless Steel Giving Them The Best Rust Protection. Please Note We Supply A Huge Variety Of Stainless Steel Parts *** FREE DELIVERY *** Product Code - SFSSB20