Works in material from 5/8 to 1 in length. Grooving router bits are great for plunge routing in solid woods and MDF with a handheld router or CNC machine. Freud Tongue And Groove Router Bit Set Groove :: V Groove :: 60 Degree X 3/4" Diameter V Groove Router Bit - 1 Woodline Shaker Rail Bits Woodline WL-1488-2 1 Piece V Groove Tongue & Groove Router Bit, 1/2-Inch Shank. Store Carbide tipped router bit with anti-kickback design V groove router bits are also great for lettering and sign making. Product Description Woodline USA's Tongue and grove bit creates a perfect V joint everytime. This 1pc set 1/2 shank set allows you the flexablity to do both flooing and paneling. Works in material from 5/8 to 1 in length. Simply replace slot cutter with included spacer bushing to cut the tongue Tongue And Groove Router Bits 1/4 Shank 3/4 Faux Panel Ogee Groove Router Bit - 1/4 Shank - Precision Bits Mortise And Tenon Jig For Router Woodline USA's Tongue and grove bit creates a perfect V joint everytime.