Material: Aluminum Alloy Color: Silver+black 1. The use of multiple toolholders form an artificial tool , can repeat replace toolholder. 2. Using the dial, each tool holder can be rotated multiple of 9 Degree or 9 Degree , operations with extension units, can be processed angles workpiece. 3. Toolholder for the adjusting screw nut and tool, adjust installation height , easy to operate, shortening the time loaded knife. 4. Each changing tools only takes a few seconds. 5. Replace the tool holder high positioning accuracy, reset accuracy within 0.01mm range, the surface of machined parts, precision improved. 6. The Tool Post, high stability processing. Package Contents: 1Pc x Tool Post 1Pc x 3/8 INCH boring holder 1Pc x 1/2 INCH capacity cut-off blade holder 1Pc x 1/4-3/8 INCH turning & facing holders 1Pc x mounting bolts (M8 & M10) 2Pcsx Wrench Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.