Degree:R0.1 Overall Length:38-50mm Diameter:3.175mm 4mm 6mm Model Number:3.175mm 4mm 6mm Type:End Mill Material:Carbide Origin:Mainland China Specification: Shank diameter: 3.175mm,4mm,5mm,6mm Cutting edge diameter: 3.175-6mm Total length: 38-50mm Material: Tungsten steel Features: This set of carbide Milling Cutter is perfect replacements for your CNC machinery, make you enjoy a precise, easy cutting experience. Made of Tungsten steel high construction tools Safety instructions: 1. The bladed product is not use for people under 18 years. 2. The item is only use for industrial cutting  not hazardous article. Package include: 1PCS  Left Spira milling cutter