General description The Makita DGA452Z Cordless Li-ion Angle Grinder offers cordless convenience for grinding and cutting applications. Its lightweight and compact design, combined with a small circumference motor housing and soft grip covering, enhances comfort and control during use. The grinder features an electronic current limiter to protect the motor from overload, along with a warning lamp that indicates impending overload and low battery. The anti-restart function ensures safety by preventing the motor from starting if a charged battery is inserted with the switch on. Technical specifications Voltage: 18V DC No Load RPM: 10,000 Grinding Wheel Size: 4-1/2" / 115mm Cut-Off Wheel Size: 4-1/2" Wire Cup Brush Size: 3-1/2" / 115mm Sanding Disc Size: 4-1/2" / 115mm Spindle Thread: 5/8" - 11 UNC Overall Length: 12-1/2" Weight: 1.9 kg Total Shipping Weight: 3 kg Noise Sound Pressure: 73 dB(A) Noise K Factor: 3 dB(A) Vibration K Factor: 1.5 m/sec² Vibration Artificial Wheel: 8.5 m/sec²