Uxcell a15082100ux0039 3/8 x 3/8 Inch HSSAL 4 Flutes Straight Shank End Mill Cutter Bits 2pcs (Pack of 2) Overall Length: 2 3/4" ; Shank Diameter: 3/8" Cutting Diameter: 3/8" ; Flutes: 4-Flute Cutting Depth: 25mm/ 1" ; Product Name: End Mill Cutter