Fanxishun Collect micro bits brass for power rotary tool collet adapter mini drill chucks

Label:yes diy supplies:metalworking product advantages: heat treatment / durability / high hardness scope of application: changing the clamping ability of electric friction and solving the clamping dead zone material: pure copper how to use: use with electric grinder clamping range: 0.

5mm: 0.

8mm: 0.

0mm: 0.

2mm: 1.

5mm: 1.

8mm: 1.

0mm: 1.

4mm: 2.

0mm: 2.

2mm: 2.