Description: Shank Diameter: 1/4" (6.35mm) Cutting Depth: Approx. 1/8" (3.18mm) & 3/16" (4.76mm) & 3/8" (9.53mm) Cutting Length: Approx. 3/8" (9.53mm) & 3/8" (9.53mm) & 9/16" (14.29mm) Largest Diameter: Approx. 3/4" (19.05mm) & 7/8" (22.23mm) & 1-1/4" (31.75mm) Overall Length: Approx. 2" ?50.8mm? & 2" (50.8mm) & 2-1/4" (57.15mm? Specification: Color: Blue Material: Caarbide Package Includes: 1 Piece of Finger Reversible Joint Router Bit Note: Pls check the pictures for more details, thank you