70-27 Fast Entry Cam Cleat. Features Die Cast Aluminum Cams, Delrin(tm) Ball Bearings, Computer Designed High Flare allows for easy entry at various angles. Safe Working Load 500 lbs (227kg) Line 1/4" - 5/8" (6mm - 16mm), Requires (2) 1/4" Flat Head Fasteners. 2-1/16" (52mm) Centers.