Captive Pin D Shackle - Diameter 8mm - 5/16"Features: Captive pin "D" shackle forged in grade 316L stainless steel The pin is connected to the body at all times even when opened The pin is locked into one of the indentations No risks of loosening due to vibrations Outstanding working and breaking loads Applications: Standard applications of shackle Attachment applications: blocks, head... Specifications: Materials 316 stainless steel grade Working load (lb) 2200 WLL (lb) 1580 Breaking load (lb) 7930 Weight (lb) 0.134 Dimensions (see 2nd image): A (inch) 1-1/32" B (inch) 5/8" C (inch) 23/64" D (inch) 45/64" D diameter (inch) 5/16" E (inch) 5/16" F (inch) 1-27/32" G (inch) 1-21/32"