These Heavy Duty High Torx® Worm Gear Clamps are used in areas where extremely high band tensile forces and destructive torques are required. They have more robust housing for additional strength over the standard worm drive clamp. They deliver high band tensile force, even tension force distribution, and their fracture torques exceed those of competitive products, greatly increasing the safety of assembly. These clamps are recommended for use in the commercial vehicle sector, in cooling water connections, and air ducts for high and low pressure applications, and are only available in 12mm band width, with or without a constant tension spring insert.