YUFUTOL  is highly recommend  this professional Set of 30 Assorted Titanium Diamond-Coated Burrs, 150 Grit-perfect  for jewelers, lapidary use,craft modeling, home repair, hobbies, crafts, and so much more. All burrs in this set have a 1/8-inch (3-mm) shank size, which allows them to be compatible with most die grinders and rotary tools such as thoese made by dremel,drill flex shafts. Our assortment includes various sizes of the following shapes: Ball Cone, Rounded Cylinder, Flat Top ,Cylinder ,Cone ,Ball, Tree,Flame. This master diamond coated burr set  was designed for you to shape, grind and finish your project with precision. These burrs can file glass, ceramics, tile, brick,wood, fiberglass, stone, rock carbide, gold, platinum, silver, plastics, metalsand any solid surface. It is recommended to use water as a lubricant when usingthese burrs. 

ATTENTION: DO NOT RUN DRY

Wetdrilling only. These are delicate,very small diameter diamond drill bits. Thediamond coating is very thin.Can not take any abuse.

Start thehole at an angle.While holding the drill in hand, carefully move the drillaround just enough to ream out the sides of the hole. Let the tool do the work. When the job or project is complete, the compact case (included with this set) provides convenient organization and storage of your burrs forfuture use. 

Product Specification: 

Shank diameter: 1/8 inch(3mm)

overall length of burr : 45mm 

product weight : 50 gram

Size: 150mmx 65mmx20mm

Color: golden

Material: Artificial diamond , Titanium coated 

Compatibility:smaller rotary tools such as those made by Dremel 

Included:30 assorted diamond burrs in a storage box 

Package Included:  30pcs Artificial Diamond Burrs Drill 

• 30-Piece assorted titanum coated diamond burrs set protect by transparent plastic storage case
• 1/8 inch shank diameter with 150 diamond coated grit perfectly fits most die grinders& rotary tools such as flex shafts and dremels.
• Highly recommended for jewelers, lapidary use, craft modeling, home repair, hobbies, crafts & more
• Ideal for wood, glass, plastic, metal, stone, tile, ceramics and more,great for carving, etching, grinding, sanding, etc.
• 30 assorted shapes covered with diamond particles, shapes include • Shapes: ball, cone, needle point, tapered, flat top cylinder, rounded cylinder