<p>Most of the collets used in the market are made of aluminum alloy. This material is soft and easy to wear and tear, so we use a better quality brass material. For plastic nuts, they will break during use, and the all-metal material solves this quality problem very well.</p> <p>Compatible with all for rotary tools and flex shaft. But except discontinued Models 1, 2, and Series 1 or earlier of discontinued Models 260, 270 and 280.</p> <p>This replacement brass collet provides a big improvement in precision and holds these tiny bits far more securely and in better alignment with the rotation of the tool, under high-speed rotation, it not only maintains stability but also improves work efficiency.</p> <p>The package contains: 8pcs brass 4485 collet (0.8mm, 1.2mm, 1.5mm, 1.8mm, 2.0mm, 2.4mm, 3.0mm, 3.2mm) and 2pcs metal change collet nuts.</p> <p>Colour:yellow</p> <p>Material:brass</p> <p>Package Contents:</p> <p>1 set * for collet set</p> <p>Only the above package content, other products are not included.</p> <p>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.</p>