Fits tap sizes 1/16 inch to 1/4 inch and M1 to M8. Suitable for use with drills, reamers, screw extractors and other small tools that need to be rotated manually. Hand tap holder features a black oxide coating for abrasion resistance and rust protection. Hardened carbon steel sliding block provides hardness and strength. Tap wrench handle has adjustable jaws for easy, firm clamping. Straight wrench design delivers strong leverage and is especially suitable for largerdiameter taps. Tapping hand tool clamps various taps for tapping operations. Suitable for general accuracy requirements (not intended for precision). Operates with both hands to rotate the tap wrench in a controlled direction for threading, repairing, and cleaning internal threads. Plastic dipped handle offers a firm, comfortable grip and resists moisture in fluid environments. Use scenarios a damaged internal thread in a steel or alloy component by selecting an appropriate tap up to 1/4 inch (or M8), clamp the tap securely, and rotate to restore proper thread engagement. Start or clean threads in a throughhole or blind hole in an automotive or machinery housing, using the corresponding tap size to achieve reliable alignment and workable thread finish. Perform minor maintenance on equipment by rethreading threaded holes in aluminum or cast parts, enabling proper fastener seating and easy disassembly in routine service tasks.