Ball End Mill Heads; Mill Diameter (mm): 12.00; Mill Diameter (Decimal Inch): 0.4724; Number of Flutes: 4; Length of Cut (mm): 9.0000; Length of Cut (Inch): 0.3543; Connection Type: Duo-Lock 12; Overall Length (mm): 15.0000; Overall Length (Inch): 0.5906;