Bosch GBH 8-45 D SDS-Max Professional Rotary Hammer features a strong motor to enable the delivery of 12.5 J of impact energy for a fast drilling progress and high material removal rate. Robust metal components provide added durability. It also includes constant speed, restart protection, rotation control clutch, and speed selection. Its perfect power-to-weight ratio enables it to easily perform many SDS-max tasks. This tool is intended for drilling up to 45mm in diameter and medium chiselling work in concrete and stone. It is compatible with various dust attachments. Supplied with: 1 x Auxiliary Handle, 1 x Grease Tube, 1 x Machine Cloth and 1 x Carrying Case. Specifications: Tool Holder: SDS-Max. Input Power: 1, 500W. Impact Rate: 1, 475-2, 700/bpm. Impact Energy: 12.5 Joules. Drilling Diameter: Concrete, Hammer Drill Bits 12-45mm, Opt. Appl. Range Concrete, Hammer Drill Bits 8-16mm, Concrete Breakthrough Drill Bits 80mm, Concrete with Core Cutters 125mm. Weight: 8.2kg.