The quick change tool holder is the main accessory of the ordinary small lathe. It can select the corresponding tool holder according to the needs of the workpiece. It has the characteristics of rapid tool change, high positioning accuracy and strong rigidity. Use a number of cutters, forming of artificial cutter library and can be replaced repeatedly folder. Can handle all kinds of angle workpieces. Tool holder with adjustment screw nut can adjust the tool height, easy to operate and shorten the loading time. A tool change takes only a few seconds. Quick change tool holder once installed, high processing stability. Can process car outer circle, car end face, grooving, cutting, knurling, reaming, boring and so on. It is a perfect product that replaces the traditional square tool holder and realizes fast turning. Package size: 120 115 80mm / 4.7 4.5 3.1in. Package weight: 2200g / 4.9lb. 1 250-000 1/2 Cuniform Type Tool Post. 1 250-001 1/2 Turning Tool Holder. 1 250-002 1/2 Boring and Turning Tool Holder. 1 250-004 3/8″ and 1/2″ Heavy Duty Boring Bar Holder. 1 250-007 1/2 Parting Blade Tool Holder. 1 250-010 1/2 Knurling and Turning Tool Holder.