Key Pin Shackle - Diameter 6mm - 1/4"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) 1140Breaking load (lb) 3300Weight (lb) 0.106Dimensions (see 2nd image):A (inch) 1-49/64"B (inch) 5/8"C (inch) 15/64"D (inch) 33/64"D diameter (inch) 15/64"E (inch) 5/32"F (inch) 2-23/64"G (inch) 1-29/64"