Makita DHR281ZJ Twin 18v SDS+ Rotary Hammer with QCC Body Only in Makpac Type 4 Connector Case This Makita DHR281ZJ Twin 18v SDS+ Rotary Hammer has XPT - Xtreme Protect Technology which is optimum protection against dust and splash water even under harsh conditions. It also comes with a SDS-PLUS quick-change chuck which enable you to use more variety of drill bits for your specific application. FEATURES With Anti-Vibration Technology - AVT Soft no load for less vibration and pinpointing of the bit or drill bit With SDS-PLUS quick-change chuck Brushless motor for more endurance, longer life and more compact design Environmentally friendly and cost-saving 2 x 18v drive Slip clutch protects the user when blocking the tool XPT - Xtreme Protect Technology - optimum protection against dust and splash water even under harsh conditions For each battery a warning indicator for low battery capacity For drilling, hammer drilling and chiselling LED work light SPECIFICATION Battery Compatibility: 18v Lithium-Ion LXT Voltage: 36v (18vx2) Impact Energy: 2.8 J Blows per Minute: 0-5,000 bpm No Load Speed: 0-980 rpm  Drilling Capacity ø Max in Wood: 32 mm Drilling Capacity ø Max in Steel: 13 mm Drilling Capacity ø Max in Stone/Concrete: 28 mm With Drill Bit: 68 mm Weight: 4.90 kg NOISE & VIBRATION Sound Pressure Level: 92 dB(A) Sound Power Level: 103 dB(A) Uncertainty (K): 3 dB(A) Vibration Hammer Drilling in Concrete: 9.5 m/s² Vibration Chiselling with Side Handle: 9.0 m/s² Vibration Drilling Metal: 2.5 m/s² K-Value Vibration: 1.5 m/s²