MODEL NO : GA003GM201 Makita GA003GM201 is a 4″ 40V cordless angle grinder with brushless motor. Features -Outperforming performance and efficiency similar to corded 1,000 W class grinder -Genuine solution for high demand industrial applications -Excellent in continuous heavy-duty work -In masonry cutting, the max output power is 40% higher than DGA404 series, similar to 9564H series -High durability; The upsized ball bearings support the rotor to withstand the high power of XGT tool; New switch with reduced contact wear -New toolless wheel cover allows for fast and easy angle adjustment and installation/removal of wheel cover -AFT (Active Feedback sensing Technology) turns the motor off if rotation speed suddenly slows or wheel is forced to stop -Electric brake for maximum productivity and increased operator safety -BL motor delivers 8,500 RPM Specification Wheel Diameter : 100 mm (4") Max Wheel Diameter : 6.4 mm (1/4") Hole Diameter : 16 mm (5/8") No Load Speed (RPM) : 8,500 Dimensions (L x W x H) : 398 x 117 x 150 mm (15-5/8" x 4-5/8" x 5-7/8") Net Weight : 2.8 - 3.3 kg (6.2 - 7.3 lbs.)