Makita HR2811F-1 ROTARY HAMMER SDS+ 28mm  FEATURES Forward/reverse rotation Variable speed trigger Torque limiter - The drill stops when the bit hits against reinforcements 3 function: Rotary only, Rotary hammer, Hammer only Double insulated Improved dust collection LED job light for improved work visibility SPECIFICATION Barcode: 0088381083874 Max in Steel: 13mm Max in Wood: 32mm Max in Concrete: TCT 28mm / Core 80mm Joules: 2.8Js Blows per minute: 0-4500bpm No Load Speed: 0-1100rpm Net Weight: 3.3Kgs Input wattage: 800W Vibration: Drilling: 2.5 m/sec² Vibration Chiselling: 11.5 m/sec² Vibration Hammer Drilling: 15 m/sec² Vibration K factor: 1.5 m/sec² Noise sound pressure: 90 dB(A) Noise sound power: 101 dB(A) Noise K factor: 3 dB(A) Total Shipping Weight: 5kg Available In 110v & 240v