The Bosch GBH 18V-21 SDS Plus Hammer Drill offers 3 modes of drilling drilling, hammer drilling and chiselling, with both forward and reverse rotation. Its brushless motor reduces the need for maintece and improves run time per battery charge, resulting in less downtime and increased longevity. Fitted with an SDS Plus tool holder for optimum power transmission and tool-free bit changes. It also has an ergonomic, soft grip handle for excellent comfort and control. Specification No Load Speed 0-1,800/min. Impact Rate 0-5,100/bpm Impact Energy 2 joules Capacity Concrete with Hammer Bits 4-20mm, Steel 13mm, Wood 30mm Weight 2.4kg (without battery) This Bosch GBH 18V-21 SDS Plus Hammer Drill is supplied in an L-BOXX carry case as a Bare Unit - No Battery or Charger.