Description The package comes with 50 pieces cylinder shape mill heads and 50 pieces in conical shape in different sizes. Designed with metal shaft mounted on spindle, ceramic polishing head and makes the products clean and shiny, used for various shapes, metal, wood, jade, agate, etc. rotary tools assemble most ordinary ones for grinding, polishing, sharpening, deburring. Features - Material: ceramic and metal. Elliptical head shape: cylinder Package size: approx. 11.5 x 11.5 x 6.2 cm (L x W x H). Package includes sanding tool with 100 x 3 mm arbor