Beautifully made from investment cast stainless steel that won't corrode like aluminum, or wear out from heat buildup, like some plastic models. • Computer designed flared jaws allow lines to "drop in" without pulling for quick engagement and release • Open top and removable fasteners allow flushing and disassembly for easy maintenance • Eye strap guides line into jaws for smooth operation • Max line size: Small - 7/16" (11mm); Large - 5/8" (16mm) • Safe working load, both sizes: 500 lb