Makita DHR280ZWJ Twin 18v LXT SDS+ Rotary Hammer Body Only With Dust Extraction Unit In Makpac Case The DHR280 is a powerful 28mm cordless Rotary Hammer, adapted for SDS+ bits, and powered by two 18v Li-ion LXT slide type batteries (not included) to supply energy to the powerful 36v brushless motor. Including variable speed control to enable the user to match the speed of application, and constant speed control to automatically apply additional power to the motor and maintain constant speed under load. Supplied here with a quick change chuck and DX08 Dust Collection System in a Makpac Type 4 case - batteries and charger sold separately. FEATURES Includes DX08 Dust Collection System Brushless motor Electric brake Variable speed control by trigger Constant speed control Forward / reverse rotation LED job light 3x Operating modes (RO/RH/HO) Torque limiter \"Soft no load\" function automatically reduces the motor speed during idling to suppress the vibration of the machine body Anti vibration technology Powered by two 18v Li-ion batteries in series to supply energy to the powerful 36v DC motor drive system SPECIFICATION Battery Compatibility: 18v Lithium-Ion LXT Voltage: 36v (18vx2) Optimum Drilling Range: 4 - 16mm Net Weight: 3.9 - 4.9 kg Chuck Type: SDS+ Plus Impact Energy: 2.8 J Blows Per Minute: 0 - 5,000 bpm Max. Drilling Capacity In Wood: 32 mm Max. Drilling Capacity In Steel: 13 mm Max. Drilling Capacity In Concrete: 28 mm Max. In Concrete (TCT Core): 54 mm Max. In Concrete (Diamond Core): 65 mm No Load Speed: 0 - 980 rpm NOISE & VIBRATION Sound Pressure Level: 93 dB(A) Sound Power Level: 104 dB(A) Uncertainty (K): 3 dB(A) Vibration Hammer Drilling: 9.0 m/s² Vibration Chiselling: 8.5 m/s² Vibration Drilling Into Metal: 2.5 m/s² Vibration K Factor: 1.5 m/s²