Jacobs Keyless Drill Chuck KDT30354  0.375" - 3/8" for Dewalt, Milwaukee, Makita, Bosch, Craftsman, Skil, Black & Decker Danaher Tool KDT30354 3/8" Pro Keyless ChuckKeyless Drill Chuck, Light Duty, Mounting Type 3/8-24Capacity Max. 0.375 InCapacity Min. 0.040 InConstruction SteelFor Use With Cordless Portable Drills