Description: 100% Brand new and high quality. Durable, and long service life. The Handle made of high quality bearing steel, the chuck made of alloy steel. T-shaped or 7 word shaped design, can one-hand operation, easy to use. Suitable for bicycle repair, assemble furniture, machinery manufacturing, ect. Material: Carbon Steel Chuck Size: M5-M12 Package Includes: 1Piece T-tapping Tap wrench