Forged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter. High-Resistance (HR) shackles are forged in 17-4PH stainless steel to handle high loads. They have an ´´HR´´ imprint for easy identification.Specifications: - Shackle pin Ø (mm): 12 mm- Shackle pin Ø (in): 1/2 in- Weight (g): 193 g- Weight (oz): 6.8 oz- A (mm): 44 mm- A (in): 1 3/4 in- B (mm): 25 mm- B (in): 1 in- Maximum working load (kg): 5440 kg- Maximum working load (lb), 12000 lb- Breaking load (kg): 10880 kg- Breaking load (lb): 24000 lb