1. Material: high manganese steel + diamond
2. Use: suitable for marble, quartz stone, ceramic tiles, etc. opening/reaming/chamfering/grinding
3. Diamond chamfering tool, reaming and chamfering without chipping, fast and easy to use
4. Fast sanding, milling ultra-sharp, not easy to wear and tear, do not fall off the sand
5. Built-in cooling wax, no need to add water for dry drilling, more convenient for opening holes
6. M10 thread, easy to install, more stable clamping, more solid, not easy to slip
7. Precise positioning, easy chamfering, suitable for the need to open the hole before reaming the work requirements
8. Selected diamond particles, sharp grinding, wear-resistant and durable, less dust, long service life
9. Weight: small diameter - pointed about 117g, small diameter - flat head about 109g, large diameter - pointed about 225g, large diameter - flat head about 224g