Feature:
80pcs Various Diamond Burrs -- All together 12 types variouse diamond burr specially designed for different working demands. for fine detail work, cutting, engraving, carving, - and ; Work on , metal , stone, ceramic, wood, .
6pcs Sanding Rings -- 6pcs various grits sanding (1000/1500/2000/3000/5000/7000), from fine to coarse, the more grit it features, the finer surface can be polishing. Coarse can use to do quick deburr.
Wide Usage -- 2.35mm(3/32in) diameter shanks, compatible with most rotary tools; for home improvement, craft and whenever you need to polish, grind, drill, cut, engrave, and more,used with most rotary tools ,Able to engrave on a wide of materials including: wood, ABS, acrylic, PVC, plastics, etc. Well-suited for detailed work, such as building and sanding dollhouse furniture, model trains, or miniature buildings,Highly recommended for jewer.
Sold Storage Box -- Specially designed label classification wooden box, use for identify easy diamond burr size and using type, easy to store and using.
Premium Qality -- Different from other slightly coated diamond grinding head, outr rotary tool accessories are and diamond coat is thick and evenly, long lasting use.

Maintian Tips:
1. Rotate as high as possible, usually required over 10-20m/s
2. Please operating with to prolong the diamond burr heads' service
3. After install in carving/rotary/engraving tool, before use please test if they are firmly assembeled
4. As drilling please keep stable in shape working broken rotary bits

Specification
Quantity: 86pcs
12 Types Diamond Burr Bits: A/B/C2/C3/C7/D/E/F/G/H/K/Q
Diamond Burr Bits Shank: 2.35mm (3/32inch)
Sanding Grit: 1000/1500/2000/3000/5000/7000
Sanding Shank: 3.0mm
Minimum : >10-20 m/s

Packing List:
80 * Diamond Burr Bits
6 * Sanding
1 * Wood Storage