12 pcs M14 Black Diamond Core Drill Bit Set Free Shipping

1. Used for angle grinder Thread M14 .

2. One box includes 11 bits+1 adapter . 

3. 11 bits size: φ6/8/10/12/20/30/25/35/45/50/68mm

4. Aluminum box. 

5. Bits for tiles, ceramics, dekton stone and marble.