① high-quality Material material, the tool holder is stronger, hard, shock-resistant and wear-resistant. ② Quenching and hardening, high concentricity, high thermal strength and oxidation resistance. ③ Quick installation and wide applicability,Quick and easy to install on lathe, bench or tower for various operations. ④ The diameter of the rod can be adjusted through the expansion sleeve. The rigidity is good and there is no trembling when cutting. ⑤ M10 stud size and ideal for most mini-machines, although modifications may be required for some machines (a new central arm or rod for smaller bores may be required.)<br><br>Drilling: this set allows you to drill with the power of your carriage instead of manual work or tailstock. Colour:black Material:Metal<br><br>Package Contents: 1 x Quick Change Tool Holder Set<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.