Makita HR4510CV SDS-Max Combination Hammer with Dust Extraction Electronically controlled 8 kilogram 45 mm SDS-Max combination hammer with a power of 1300 Watt. Equipped with Smart Impact Technology. Special Features With rotation stop suitable for chiselling Ideal SDS-Max combination hammer for holes up to 28 mm, but can handle up to 45 mm Due to the lock-on button in chiselling mode, also very suitable for demolition work Low vibration level due to active Anti Vibration Technology Up to 50% faster working thanks to Smart Impact Technology Constant impact and rotation force, even under heavy load Equipped with (safety) slip clutch against jamming LED indicator warns in time for preventive maintenance or carbon brush wear Large D-handle is adjustable in multiple positions Equipped with adjustable impact force for breaking Impact stop prevents damage to drill chuck: impact mechanism only engages under load Technical Data Power consumption: 1350 Watt Chuck/connection: SDS-Max No-load speed: 130 - 280 rpm Impacts per minute: 1250 - 2750 spm Impact energy: 13 Joule Variable electronic speed control: yes Constant electronics: yes (Safety) slip clutch: yes Softgrip: yes Smart Impact Technology: yes Impact stop: yes Rotation stop: yes Rotation mechanism switchable off: yes Soft start: yes Number of adjustable chisel positions: 16 Max. drilling capacity (wood): n/a Max. drilling capacity (metal): n/a Max. drilling capacity (concrete): 45 mm Max. drilling capacity (core bit): 125 mm Ideal drilling range (concrete): 14-28 mm Cable length: 5.0 m Vibration hammer drilling: 9.5 m/s² Vibration chiselling: 8.5 m/s² K: 1.5 m/s² Sound pressure level: 93 dB Weight: 8300 grams Length: 458 mm Width: 136 mm Height: 288 mm Standard Included Depth stop Dust adapter Documents Drawing and parts list User manual