Black & Decker™ Urethane Washer is designed for DeWalt® 18 V and 12 V compact impact drivers, 1/4", 14.4 V, 9.6 V, 20 V and 18 V impact drivers, 18 V compact impact wrenches, 14.4 V, 12 V, 18 V and 20 V 3/8" impact wrenches, 20 V max 3/8" wrench and Porter Cable® 4.3 A 1/4" hex chuck impact driver.