Main Features: -Mini and compact, easy to control with one hand, easy to operate. -Designed of angle plate for easy alignment of chain saws, fine grinding and more accurate positioning. -High temperature resistance, fast heat dissipation, high hardness and long service life. -The chuck has a better locking force and is easy to replace the grinding units. -It can be connected to a 12V mobile power supply to work. -It is easier to use without removing the chain during grinding. Specification: Product Name: Mini Handheld Grinder; Color: Red; Material: Silicon steel sheet + Plastic; 12V Parameter: Voltage: 12V; Power: 55W; Max grinding rotation: ±20000 rpm; 220V Parameter: Voltage: 220V; Power: 130W; Max grinding rotation: ±30000 rpm; Adjustable speed. Package Contents: 1 x Grinder(12V/220V Optional); 2 x Gloove; 1 x Pack of Tool Accessories.