Overall Diameter: 1-7/8"Overall Length: 2-27/32"Cutting Edge Length: 1/4"Shank: 1/4"Cutting Width: 1/2"Tongue And Groove Bit Cuts Perfectly Fitted Tongue-And-Groove JointsDesigned To Work On Material 1/2" To 3/4" ThickFull Assembly Used To Cut The Tongue, Removing One Slot Cutter Will Cut The GrooveReplacement Cutter Is #85610MMicrograin Carbide Tips Provide Superior Wear Resistance And Long LifeRecommended For Use With A Router Table