3/4" Dia, 1-1/2" LOC, 4" OAL M.A. Ford Square End Mill, manufacturer part number 17775010A.
Specifications: Cutting Diameter: 3/4 in (0.7500 in); Length of Cut: 1-1/2 in; Overall Length: 4.0000 in; Shank Diameter: 3/4 in; Number of Flutes: 4; Helix Angle: 35 degrees-38 degrees; Shank Type: Straight; End Type: Square.
Material: Solid Carbide. Coating/Finish: ALtima. Series: TuffCut XR. Unit of measure: Inch.