Adjustable Switch: Ratchet tap wrench is designed with humanized adjustment switch that can adjust the switch, and the adjustable t-handle can be slipped to the other side for convenient position and added leverage in narrow place. which is durable with the feature of high hardness, non-deformation, anti-rust and anti corrosion. Wide Application: Tap wrench is designed for using with taps and can also use on the left hand tap, reamers, screw extractors. Suitable for general wood, metal, aluminum processing. Adjustable T-design tap wrench, can be single hand operation, more convenient using, one tool fits more drills. Using for processing and drilling (twist drill bits even can be using for electric drill and soft metal). Wrench Length: 60mm or 2.36 inch Tap Size: M3, M4, M5,M6 Pitch: 0.5mm, 0.7mm, 0.8mm, 1.0mm Twist Drill Bit Diameter: 2.5mm, 3.5mm, 4.2mm, 5.0mm colour:Silver and black Material:steel Package Contents: 1 x T-handle wrench 4 x hand screw thread taps 4 x twist drill bits Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.