TUG HD belt clamps are used to restrain or pull a conveyor belt and then hold it firmly in place. Maintenance work becomes much simpler and safer, the user simply slides the aluminum clamp bar into the clamp ends and tightens the ends against the belt with trapezoidal screws. The belt clamps can be used on a variety of conveyor belts. Set of TUG heavy duty bolt clamps includes (4) aluminum clamp bars and (4) steel clamp ends, for up to 36" belt width.