characteristic: Small size, light and portable, easy to carry around. Multifunctional design, 90 elbow is suitable for carving, grinding, cutting, polishing, drilling and sewing. Bolt interface design, equipped with two wrenches, easy to assemble and disassemble. High compatibility, compatible with polishing bit, grinding bit, sandpaper, engraving bit, cleaning brush, etc. One machine has multiple functions, and is suitable for milling machines, electric drill flexible shafts, electric grinders, etc. describe Name: flexible shaft grinder set Material: Metal colour: black+silver Package Contents: 1 x Flexible shaft grinder set (1 x elbow handle, 2 x wrench, 5 x other accessories) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.