PCD Compression Cutter RX4S Z2 2 20x44x104 S20 LH. This tool is designed for contouring, nesting, superior finish applications in MDF, HMR, Plywood, Veneer and Delicate Coating, Solid Timber. It is suited to production machining where consistency matters. Compression geometry supports clean top and bottom edges. PCD cutting edges support extended tool life. Rotation: Left-hand.