General description The 21V Cordless Angle Grinder is a versatile and powerful tool designed for cutting, grinding, and polishing various materials including metal, tile, wood, and concrete. Featuring a brushless motor, this multifunctional grinder offers efficient performance with a lightweight design, making it easy to handle for one-handed operation. Technical specifications Rotational speed: 10000 rpm Motor: Brushless motor Battery: 6000mAh lithium-ion rechargeable Charging time: 2.5 hours Working time (fully charged): 25 minutes Weight: 1.82 kg (including battery) Grinding wheel aperture: 22 mm Maximum diameter of grinding wheel blade: 115 mm Speed regulation: Three-speed settings Package contents Brushless angle grinder x 1 21V charger x 1 6000mAh battery x 1 125 grinding wheel cover x 1 Handle x 1 115 adjustment wrench x 1 115 pressure plate x 1 4.5-inch woodworking blade x 1 115 polishing disc x 1 115 sandpaper x 2 115 cutting wheel blade x 2 115 louver wheel x 1 115 grinding