YG-1 URT5P2AD1000 Straight Router Bits; Cutting Diameter (Decimal Inch): 0.3937; Cutting Diameter (Inch): 0.3937; Cutting Diameter (mm): 10.00; End Type: End Mill; Number of Flutes: 8; Length of Cut (mm): 30.0000; Length of Cut (Decimal Inch): 1.1811