Condition: 100% Brand New Product Name: Morse Spindle tool Model : MT4-ER16/MTB4-ER16 Collet Nut : ER16 Thread: M16 MT Shank : MT4 Color: Silver and Black Shaft Material: Steel 40cr, HRC48-50 Package Content: 1x MT4-ER16 This item is mainly used for MT milling machine to improve the hardness and endurance of the surface. The milling Tool is mounted on an arbor, where it is held in place by spacers or bushings. The nuts can be tighten directly, high rigidity, strong clamping. UPC 649910372564 Brand Name colorparts2016 Item Weight 0.56 Kilograms Thread Size M16 Manufacturer colorparts2016 Material Type Steel 40cr, HRC48-50 Compatible Devices Lathe Included Components Spindle Adaptor