China Sintered Diamond Burrs Conical Engraving Bit For ...
1. Conical head Diamond Sintered Stone Carving Bits are for carving, engraving, sculpting, and shaping into stone, granite, and concrete. 2. Diamond Sintered Carving Points are extremely durable and easy to use. 3. Conical diamond burrs are using with handheld drills, pendant drills, flex shaft, die grinders. 4. Sintered carving burs size: