Mishimoto Constant Tension Worm Gear Clamp 3.74in.-4.61in. (95mm-117mm) - GoldJust like our high torque worm gear clamps, Mishimotos Constant Tension Worm Gear Clamps are an effective solution to a wide range of clamping needs. Where this 3. 74" 4. 61" (95mm 117mm) constant tension worm gear clamp excels, however, is in high temperature applications. The spring on the adjustment bolt allows the clamp to exert continuous pressure through a wide range of temperatures to ensure your parts stay clamped as strong as the day you