The Vevor rotary tool accessory kit includes 357 pieces designed for cutting, grinding, sanding, sharpening, carving, and polishing. Its 1/8" shank size offers universal fitment with most rotary tools for home improvement, hobby, and craft work. The set includes a wide variety of accessories such as diamond bits, sanding discs, felt polishing wheels, cut-off wheels, grinding wheels, and mandrels. All components are organized in a sturdy storage case for easy transport and neat storage. Built from durable materials, this kit is made to support a wide range of DIY and detail-work applications.