The diamond blade kit is the perfect choice if you want to tie knots precisely and efficiently. Multifunctional mini grinders can be used for model making, jewelry making or micrometer work are mounted on 1/8'' shanks. and can be used for a variety of materials. Mini tool sanding pads are designed for finishing in crafts, model making, automotive cosmetics, jewelry making and work wood. Diamond sanding rods fit most multifunctional rotary tools. Tungsten carbide blades can be used for cutting, designing, engraving and many other jobs. Thanks to the use of high quality materials, the tungsten carbide blades ktar culture is very efficient. Diamond dust provides additional reinforcement and protection against abrasion. The high-quality diamond concentration and professional manufacturing of the tools guarantee a long service life and increased efficiency. Technical specifications 18-piece diamond burr Shank diameter: 1/8" Length: 45 mm Diamond disc 25 mm Bore diameter: 3 mm, thickness: 0.5 mm diamond disc 22 mm Bore diameter: 3 mm, thickness: 0.5 mm Disc 19mm Diamond Blade - Bore Diameter: 19mm, Bore Diameter: 3mm, Thickness: 3mm, Thickness: 0.5mm 16mm Diamond Disc - Diameter: 16mm - Diameter: 16mm bore: 3 mm - Thickness: 0.5 mm - Set of 2 chucks for milling discs Delivered quantity: 25 pieces