ITEM NAME:8 x 1/4 Inch Shank Straight Router Bit Set Carbide Wood Milling Cutter LVP Descriptio n Description: Size: #1 Approx. 22.2x20mm/ 0.87x0.79 Inch #2 Approx. 15.9x20mm/ 0.63x0.79 Inch #3 Approx. 12.7x25mm/ 0.5x0.98 Inch #4 Approx. 9.52x20mm/ 0.37x0.79 Inch #5 Approx. 7.96x20mm/ 0.31x0.79 Inch #6 Approx. 4.76x13.5mm/ 0.19x0.53 Inch #7 Approx. 3.96x13mm/ 0.16x0.51 Inch #8 Approx. 3.17x10mm/ 0.12x0.39 Inch Specifications: Material: Car.8Pcs/set Milling Cutter. We'd like to settle any problem in a friendly manner. Size: #1 Approx. #2 Approx. #3 Approx. #4 Approx. #5 Approx. #6 Approx.