Milwaukee M12 12 Volt Lithium Ion Cordless Hammer Drill Impact Driver Combo Kit, 2 Tool with (2) 1.5Ah Batteries, Charger & Bag (Model 2497 22) String Trimmers Specification Details Diameter 1 2 inch Item Weight:.625 Specification Details Diameter 1 2 inch Length 4 1 2 inch Material Steel Finish Heat Treated Zinc Grade 5 Thread Type Coarse (USS) Head Type Hex head with washer face Shank Partially threaded Number in Package 25 Packaging Type Boxed Brand Hillman Frequently Asked Questions (FAQ): Pair it with streamlined chrome hardware and a pale quartz top for a gallery‑worthy composition A: The hammer drill driver delivers up to 275 in lbs of torque Common positives include dependable battery life