uxcell 1/4" Shank 3/8" Cutting Diameter Carpenter Core Box Router Bit Replacement Green Product Name : Core Box Router Bit;Material : Metal Standard : 1/4" x 3/8";Shank Diameter : 6.3mm / 1/4" Cutting Diameter : 9.5 mm / 0.37";Cutting Depth : 7.5mm/ 0.295" Overall Length : 40mm / 1.57";Color : Silver Tone, Green Weight : 10g;Package Content : 1 x Core Box Router Bit