The Aqua-Jaw™ Carry Vise™ promotes safer, more ergonomic lifting and moving to reduce strain and injury. This is the only all-weather carrying clamp designed to not slip off wet stone, and its super-strong vice-like clamping allows carrying stone up stairs and other slanted or challenging terrains. Aqua-Jaws are the highest capacity carry clamps on the market, accommodating up to 800 pounds per pair. The clamps open wide (to 4.25") for thick edges and miters, and have an optional Handle Kit which allows four people to share the load of heavy stone. Dual quick-spin tightening handles easily secure the product in place, and rubber-lined gripping rails protect tops from scratches.