Key Pin Shackle - Diameter 8mm - 5/16"Features:Key pin shackle forged in grade 316L stainless steelOpening and closing is done simply by rotating the pin half a turnNo risk to lose the pin as it remains attachedOutstanding working and breaking loadsApplications:Perfect product for halyards or applications requiring to open /close the shackle oftenSpecifications:Materials 316 stainless steel gradeWorking load (lb) 1760Breaking load (lb) 5070Weight (lb) 0.267Dimensions (see 2nd image):A (inch) 2-21/64"B (inch) 53/64"C (inch) 5/16"D (inch) 43/64"D diameter (inch) 5/16"E (inch) 15/64"F (inch) 3-7/64"G (inch) 1-59/64"