Overall Diameter: 5/8"Overall Length: 2"Cutting Edge Length: 3/4"Shank: 1/4"Mortising Bits Are Ideal For Surfacing Operations And Cut Fast For MortisesAdditional Chip Clearance For Fast MortisingUse With Hinge Template And Templet Guide For Optimal ResultsMicrograin Carbide Tips Provide Superior Wear Resistance And Long Life