About this item ≮cludes 2 Wood Router Bits:1pc Tongue Router Bit and 1pc Groove Router Bit . ⓩze : 1/4" round shank, 3 Teeth T Shape Router Bit Set, ⃵tting Size : Cutting depth of 1/2",Cutting width of 1/4" ⍡terial : carbon steel ␥rfect for woodworking and wood DIY projects.