[NO4 1I2 inch shank]
Specifications: Type: End Mill Item: 1/2" Shank 0.5 inch (12 mm) Shank Cruiser Bit Material: 45# Steel Carbide Tip: YG8X Shank Diameter: 1/2", 12mm shank Balance: +/- .003 "TOLERANCE Detaild Specification, Pls photo