Makita DVR350Z 18v LXT Cordless Vibrating Poker Body Only The Makita DVR350 is a cordless concrete vibrator used to remove air pockets from concrete. FEATURES Increased maneuverability with new trigger operable from two directions Best-Fitting Grip, ergonomically designed for maximum efficiency and minimum fatigue in the operation. Makstar lithium-Ion light weight & compact Extreme stamina: life time work volume in 280% comparison with Makita Ni-cd 2.0Ah batteries SPECIFICATION Voltage: 18 v Vibrations per Minute: 13,000 min-1 Vibration Amplitude: 1.0 mm Shaft Length: 800 mm Shaft Diameter: 25 mm Net weight: 3.2 kg NOISE & VIBRATION Noise sound pressure: 74 dB(A) Noise K factor: 3 dB(A) Vibration no load: 3 m/sec²