70-39 Sure Grip cam cleat features investment cast stainless steel cams that won't wear out or corrode. Eye strap keeps line captive. Max Line Size 5/8" (16 mm), Fastener Size (2), # RH (5 mm), C/C 1-25/32" (45 mm), L 3-3/16" (81 mm), W 1-11/16" (43 mm), H 1-1/8" (28 mm), SWL 500 lbs. (225 kg), Weight 7 oz. (178 g)