This Unimat kit includes full metal components such as slides, countershaft and tailstock for finer tolerances, greater stability and precision: mechanically reworked and matched profiles, CNC milled spiral of 3-jaw chuck, double-ball bearing live center with big machine-tool center, driven in, fitted covers, close tolerance and raised flange of main spindle at metal countershaft, adjustable backlash (according to application), increased wall thickness of profiles, mechanically reworked full metal sledge, metal handwheels with adjustable vernier.