ITEM NAME:1-1/4" Reversible Shank Finger Glue Joint Router Bit Cutter Wood Milling Bit Description: - 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") Specification: - Design: Reversible Finger Joint - Number of Bit: 1 - Number of Flute: 2 - Bit Construction: Car.Design: Reversible Finger Joint. - Number of Flute: 2. 8mm (5/16"). - Number of Bit: 1. - Cutting Length: Approx. 31.7mm (1-1/4").