Features : (automatic 3 jaw chuck) Multi chuck keyless quick bit for high quality automatic mandrel Grinder rotary tools Grinder micro grinding motors are compatible with automatic mandrel Sithill, einhell, mac alliester, max star inco, ferm rtrmax, cat, graizer, hilda, vonroc brands for rotary machines.

It is used in all engraving machines whose head part is metric 8.

Clamping range: 0.3-0.32mm Size: Long tail Attention ! 1 x drill chuck (mandrel) post.

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