Harvey Tool 966312-C4 | 0.1875" (3/16) Cutter Diameter x 0.2810" (9/32) LOC x 2.0000" (2) OAL 2 Flute C4 Coated Square End MillEnd mills for plastics square downcut 2 flute, features a high rake, high relief design with large flute valleys to maximize chip removal and performance. Features Prevents fraying and chip out of top of workpiece Prevents lifting on vacuum tables 2 Left hand spiral, right hand cut flutes High rake, high relief design with large flute valley maximizes chip removal and performance 2 Flute design improves rigidity for better accuracy, less deflection,