General description Makita DHR242RTJW is an 18V SDS Rotary Hammer that includes the DX06 Dust Extraction Unit. It is designed to drill in concrete as fast or faster than the 24V Cordless Combination Hammer model BHR200. The tool features a one-touch slide chuck for SDS-plus bits and an ergonomically designed handle that provides maximum power thrust and a comfortable grip for various applications. Technical specifications Battery Type: Lithium-Ion Voltage: 18 V Battery quantity: 2 (5.0Ah) Capacity in Concrete: 24 mm Capacity in Steel: 13 mm Capacity in Wood: 27 mm Impact energy: 2.0 J Blows per minute: 0 - 4700 bpm No Load Speed: 0 - 950 rpm Vibration (Drilling): 3.5 m/sec² Vibration K factor: 1.5 m/sec² Vibration (Hammer Drilling): 13.5 m/sec² Vibration (Chiselling): 10.5 m/sec² Net weight: 3.2 - 3.7 kg Other information Standard Equipment: BATTERY BL1850B 18V Li-ion x2, DC18RC COMPACT CHARGER, DX06 DUST EXTRACTION SYSTEM, MAKPAC CONNECTOR CASE (TYPE 4), Depth stop, Side handle