uxcell 28mm Cutting Diameter Straight Shank 4 Flutes End Mill Milling Cutter Weight: 346g; Material: HSS Package Content: 1 x End Mill, 1 x Plastic Case; Product Name: End Mill Shank Diameter: 20mm/0.8"; Main Color: Gray Cutting Diameter: 28mm/1.1"; Total Length: 121mm/4.8" Flute Number: 4; Flute Length: 50mm/2"