It is industrial grade heat cutting equipment to cut and seal synthetic materials to prevent fraying. The heavy-duty construction is suitable for most hot knife applications and materials up to 3/4" (20mm) thick in the manufacturing of slings, ropes and heavy webbing. The long-arm gives plenty of workspace and versatility. Special bracket is available as option for cutting multiple layers of webbing together. The extra long hot knife is suitable for cutting webbing slings, lashing straps, seat belts and other synthetic materials up to 300mm wide