PACKAGE INCLUDED: 20 pcs Diamond coated Burr Grinding Drill Bit - 2pcs of each shapes.
The shank diamond burr grinding bit set is suitable for most rotary tools or moldel grinders
High Quality Material:50# diamond coated grinding head is made of diamond particles, with rough surface, uniform sand particles, thick and durable, wear-resistant, high hardness and impact resistance.
Various Shapes:20pcs diamond grinding burr bit in various shapes, including sphere, cone, cylinder, round head cylinder, bullet head, etc..
Uses :Diamond burr Set is suitable for small projects, used for carving, trimming, precision grinding and polishing of ceramics, glass, gemstones, agate stone and many other materials, shaping dead wood areas of bonsai trees, carving hard agate stone, etc