Drillpro Tooling Package Mini Lathe Quick Change Piston Tool Post & Holders Tool Post, modeling novelty, compact structure, tool change rapid, good rigidity, high precision machining. The use of multiple toolholders form an artificial tool magazine, can repeat replace toolholder. Replace the tool holder high positioning accuracy, reset accuracy within 0.01mm range, the surface quality of machined parts, precision improved. Set includes: 1x Tool Post 1x 3/8" boring holder, 1x 1/2" capacity cut-off blade holder, 2x 1/4-3/8" turning & facing holders, 2x Mounting bolts (M8 & M10)