Features 1、Excellent Manganese Steel: This type of drill chuck arbor is made of excellent manganese steel, with quenching and blackening treatment on the surface, strong antioxidant capacity, high hardness and long service life. 2、Saving Time: This drill chuck mandrel allows for quick and easy installation and removal, saving you time when switching between applications. 3、Wide Application: This high accuracy drill chuck mandrel is widely used in tapping machine, drilling machine, milling machine, boring machine, pneumatic tools and so on. 4、Simple To Use: This type of drill chuck manshaft is easy to use and can be used directly after installation without other operations. 5、Convenient To Store: This type of drill chuck manshaft is small in size and light in weight, so it is very convenient to carry out and store indoors. Specification Item Type: Drill Chuck Mandrel Model: MT2-5/8-16 Material: Manganese Steel Thread Specification: Approx. 5/8in, Length: Approx. 16mm / 0.6in Connecting Rod: Morse MT2 Connection Mode: Screw Package List 1 x Drill Chuck Mandrel