1、Wrench and taps are made of high quality carbon steel and bearing steel for durability and long service life 2、Tap wrench has a non-slip handle for easy grip, it can improve efficiency and is a necessary tool for tapping 3、Wrench is easily adjusted by twisting the handle, very convenient and practical 4、This set contains five taps in different size for general purpose use 5、Adjustable jaws easy and firmly clamp the taps. Mainly used for hand tapping operation Description: This adjustable tap wrench is a general tool for handy tapping, designed to firmly clamp the taps. Straight handle design provides greater leverage, especially when using larger diameter taps. Adjustable metal tap reamer wrench is used for holding larger taps in open spaces where there is a room to turn the tap wrench.  Features: Wrench and taps are made of high quality carbon steel and bearing steel for durability and long service life. Tap wrench has a non-slip handle for easy grip, it can improve efficiency and is a necessary tool for tapping. Wrench is easily adjusted by twisting the handle, very convenient and practical. This set contains five taps in different size for general purpose use. Adjustable jaws easy and firmly clamp the taps. Mainly used for hand tapping operation. Specifications: Material: Carbon steel(wrench), bearing steel(tap) Tap Type M3 M4 M5 M6 M8 Length 4.6cm( 1.81") 5.2cm(2") 5.6cm( 2.2") 5.8cm( 2.28") 6cm( 2.36") Tapping On: Aluminum plate, iron plate, other soft metal Package includes: 1 x Tap Wrench 5 x Taps