Features:
1. 100% brand new and high quality.
2. Made of high quality copper material, wear resistant and durable in use.
3. Knurled collet is convenient to install and disassemble.
4. Including 10pcs collets with clamping ability of 0.5-3.2mm, which can clamp different shank diameter of tools like drill bits, grinding head bits, etc.
5. Compatible with most of rotary tools such as mini power drill, electric grinder, etc.

Specification:
Material: Copper
Size(mm): 0.5, 0.8, 1.0, 1.2, 1.5, 1.8, 2.0, 2.4, 3.0, 3.2
Package Weight: 25g (approx.)

Package List:
10 x Collets
1 x Collet