and reliable, small size, light weight, easy to carry, comfortable handle, provides better control when drilling, easy to use. Speed-adjustable design, 3-12V fixed-speed power supply, precise control, easy to control. Ideal electric grinder for cutting, engraving, milling, grinding, polishing, removing and drilling. A grinder engraving kit is essential for engraving and sanding. Suitable for jade , core carving, wood carving, ground aluminum plate, thin copper plate, plastic plate, particle board, circuit board, epoxy board. Name: Handheld mini electric grinderkit Rated power: 6-24W Maximum speed: 13000 rpm Maximum grinding wheel diameter mm: 30mm Chuck clamping range: 0.3-4mm Transmission mode: infinitely speed Colour:As Shown Material:Plastic + Metal Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. voltage:AC220V Note: Installation guide not included, we strongly recommend you professional installation. Please check as much as possible to make sure the item is what you need. Due to different product batches, the appearance , which does not affect the use Package Contents: 1 * Handheld Mini Electric Grinder set 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.