Optomech Engineers Pvt. Ltd. Manufactures CNC - Computer Numerical Control Tool Presetter. Optomech Engineers Pvt. Ltd. Manufactures Precision Optical and Optoelectronic Measuring Instruments, several optical based accessories for CNC and conventional machine tools. The CNC - Computer Numerical Control Tool Presetter has Power Supply of 220v 50Hz 5Amps. The CNC - Computer Numerical Control Tool Presetter has Pneumatic Tool Clamping. The CNC - Computer Numerical Control Tool Presetter 2-Axis Digital Redout System with linear Encoders LC X: 001mm Z: 0.005mm.