Description: This top and bottom bearing router bit is great for all your large stock trim applicatons. Finger reversible joint router bit is used for jointing wood. Flush trim router bit can be used with either a top or bottom template, especially useful for template work when routing rounded or curvy wood with sensitive end-grains. The top and bottom bearings allow you to flip over the wood stock when you reach"up-grain" and rout that segment in a "down-grain" direction, maintaining uniform smoothness around the work-piece. Great for professional or amateur. Specification: Material: Tungsten Carbide, Solid Hardened Steel Color: Yellow 1x Finger Reversible Joint Router Bit, 1x Flush Trim Router Bit, 2pcs in total. Size Chart: Size(Approx.): Finger Reversible Joint Router Bit: Shank Diameter: Approx. 8mm (5/16") Cutting Depth: Approx. 7.9mm (5/16") Cutting Length: Approx. 31.7mm (1-1/4") Largest Diameter: Approx. 34.9mm (1-3/8") Overall Length: Approx. 87.3mm (3-7/16") Flush Trim Router Bit: Total length: Approx.76.2mm Bearing Outer Diameter: Approx. 1/2" Cutting Height: Approx. 1" Shank Diameter : 1/4" Package Includes: 2 Pieces of Wood Cutter Tools Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please allow 1-3mm measuring deviation due to manual measurement. Thank you!