uxcell Double Flute 3/8" Cutting Dia 1/4" Shank Flush Trim Bit Product Name : Flush Trim Router Cutter;Material : Metal Cutting Diameter : 9.5mm/ 3/8";Shank Diamter : 6.3mm/ 1/4" Flute Length : 30mm/ 1.2";Total Length : 74mm/ 2.9" Material : Metal;Color : Silver Tone,Blue Net Weight : 64g;Package Content : 1 x Flush Trim Router Cutter