WD123555W3-10 | Kale Worm Drive Clamps w/ Integrated Spring 12 35-55 mm W3 WDIS Series Worm Drive Clamps with Integrated Spring Perfectly suited to coolant and turbo hoses applications in passenger and SUV vehicles. OEM demanded on popular models. Overcomes changes in hose diameter such as cold set in coolant hoses or expansion and contraction in turbo hoses due to pressure and temperature fluctuations. Compact screw and housing design Strong and durable mechanically locked housing Rolled band edges High clamping force with low tightening torque ALL stainless W3 (430) construction W4 (304) spring Produced in accordance with DIN 3017. Band Width: 12mm Diameter Range: 35-55 mm Pack Qty: 10pc