This rotary tool set includes up to 195 different collet accessories that can used. It includes an accessory for polishing, cleaning, carving, sanding, grinding and so on. With 6 gears variable speed ranges from 8,000 to 30,000 RPM for different materials needs. Applicable to stainless steel, porcelain, stone, , plastic, wood, bracelet, etc. Features: Six-speed adjustment, accurately adjust the speed to handle a variety of tasks. Can be used for cutting, drilling, engraving, grinding, milling, polishing, deburring, sanding, scraping, grinding and forming. Fast heat dissipation, improve durability, a good fast heat dissipation is a must-have for every good machine. Thicker copper wire, exquisite all-copper motor, strong and powerful, not easy to heat. Comfortable handle, smaller fuselage, mini electric drill, compact body operation more convenient. The high-quality electric grinders are durable, with high-quality metal chucks with better concentricity, longer claws and more uniformity. Fine flexible shaft, which greatly reduces the weight of the electric grinder and is easier to operate without losing strength. External carbon brush, with an easy-to-replace external carbon brush design, precision high-quality copper carbon brush, not easy to wear. Front and rear ball bearings: bearings with high precision, heat sink ball bearings Hook design, easy to hang on the wall. Plastic tool storage box is sturdier, falling resistant and moisture-proof, easy for carrying and hanging. Specifications: Material: Plastic Plug: EU Collect capacity: 0.5-3.2mm Max. Diameter of grinding wheel 10mm Voltage: 220/110V Cycle: 50-60Hz 130W RPM: 8000-30000r/min Application: Jewelry, home and wood making Package size: 25.5*20*7cm/10.03*7.87*2.75in Package weight: 1503g Note: Item color may show sight aberration due to different shooting light and monitor display. Packing list: 52* Resin slice 1* Copper flat brush 1* Copper bowl brush 1* Copper pen brush 1* Silver flat brush 1* Silver bowl brush 1* Silver pen brush 1* Nylon flat brush 1* Nylon bowl brush 1* Nylon pen brush 5* Double mesh slice 10* Large sandpaper ring 12* Small sandpaper ring 1* Big rubber shaft 1* Small rubber shaft 2* Big woolen ring 4* Small woolen ring 1* Rodless wool head 4* T Flint 2* Orange red cylindrical firestone 2* Orange red cone firestone 2* Orange red concave flint 12* Flint grinding tablets 1* Rubber mat 1* Cuboid Flint 1* Hundred impeller 10* Grinding needle 30* Grinding needle (box) 7* High speed saw blade 5* Chuck 6* Drill bit 2 1* Wool wheel connecting rod 3* Red spacer connecting rod 1* Positioning seat 1* Rubberized straight shank electric grinder 1* Orange red concave flint 1* Orange red cone firestone 2* Open wrench 2* Carbon brush 1* Flexible shaft 1* Seven-character wrench 1* Windshield