Diamond Burr Set - Rotary Grinding Burrs Drill Bits Set with 1-8-inch Shank Diamond-Coated Stone Carving Accessories Bit Universal Fitment for Rotary Tools 18Pcs

Product shape: spherical, cylindrical, conical, bullet-shaped, elliptical, T-shaped, shaped, jujube, trapezoid?These are 60# gravel This main diamond diamond set allows you to precisely shape, grind and finish great documents, ceramics, tiles, bricks, fiberglass, stone, carbon fossil, gold, platinum, silver, metal or any other hard to recommend Jewelers, gems, hobbies and crafts, styling, home repairs, etc. Provide uniform water cutting lubricants for all materials. All handles are 1/8 inch (3 mm) Can be installed on electronic grinders, gantry grinders and hand drills (not included here). NOTE: Please add water for cool when using diamond bits.