Forged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter. ´´D´´ shackles are the most common type of shackle. They are best suited for aligned attachment points.Specifications: - Shackle pin Ø (mm): 8 mm- Shackle pin Ø (in): 5/16 in- Weight (g): 59 g- Weight (oz): 2.08 oz- A (mm): 25 mm- A (in): 1 in- B (mm): 17 mm- B (in): 11/16 in- Maximum working load (kg): 1380 kg- Maximum working load (lb): 3040 lb- Breaking load (kg): 2760 kg- Breaking load (lb): 6080 lb