1/4" Dia, 1-3/4" LOC, 3-9/16" OAL M.A. Ford Square End Mill, manufacturer part number 13625002.
Specifications: Cutting Diameter: 1/4 in (0.2500 in); Length of Cut: 1-3/4 in; Overall Length: 3-9/16 in; Shank Diameter: 1/4 in; Number of Flutes: 2; Helix Angle: 45 degrees; Shank Type: Straight; End Type: Square.
Material: Solid Carbide. Coating/Finish: Uncoated. Series: TuffCut AL. Unit of measure: Inch.