Features： 1、Durable: This electric bench grinder is made of iron and ABS materials, which can provides extra stability, durability and strength for this machine. 2、Applicability: This professional grade bench grinder is ly suitable for grinding and polishing metal, jewel, rock and other materials, which is very useful. 3、Adjustable Speed: The bench polisher has adjustable speed up to 10000rmp. Speed control provides better accuracy and support, as well as greater safety and control. 4、DIY Versatility: From extending the rock polishing kit to supporting other engraving machines and jewelry tools, this machine comes with additional accessories to support rust removal, metal grinding, drilling, sanding, engraving, and more. 5、Easy to Place: This bench grinding machine is small in size and can be placed on any flossy and flat platform for work, and the base of the machine is very stable. Specification： Item Type: Bench grinder Material: Iron, ABS Weight: Approx. 3990g/140.7oz Size: 22x14x17cm/8.7x5.5x6.7in Power: 150W Rated Voltage: 220V Speed: 0-10000r/min(Adjustable) Chuck Capacity: 3mm/0.12in, 4mm/0.16in, 6mm/0.24in Grinding Wheel: Diameter: 75mm/3in Thread: M10 Package List： 1 x Bench Grinder 6 x Accessory 1 x Instructions