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. Shackle pin Ø (mm)8 mm Weight (g)59 g A (mm)25 mm B (mm)17 mm Maximum working load (kg)1380 kg Breaking load (kg)2760 kg