Details: *100% brand new and high quality*Made of alloy steel, high-hardness, wear-resistant and long service life*The tapping chuck for 1/4 hex shank 4mm 5mm 6mm 8mm 10mm 12mm 14mm machine tap diameter*Hex shank tap socket is made of alloy steel with high hardness and wear resistance. The square hole is set with clamp pad in the square hole, which makes the clamp more firm. It is used with hand electric drill. It is widely used in mold manufacturing, pneumatic screwdriver, DIY, auto repair and other professional machine maintenance*Color: Black(As Pictures Show)*Material: Alloy steel*Size: Length: 50mm(Approx.)Package Contents:7*Screw Tap Socket AdapterNote: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.