The GSB 18V-21 Professional is the reliable entry-level cordless combi drill with impact drilling function in Bosch's 18V category. With 55 Nm of hard torque it delivers the performance necessary for the basic drilling and drill driving applications. Its full-metal gear box and Electronic Cell Protection provide professional quality for daily use making the drill driver reliable and durable. Additionally a professional design with a keyless 13mm chuck supports quality work. This tool is intended for drilling in wood with a maximum diameter of 35mm in steel up to 13mm and for screw diameters of up to 10mm. Its impact drilling function also makes working in masonry at up to 10mm possible. It is compatible with all Bosch Professional 18V batteries and chargers (Professional 18V System). The Bosch Professional GDR 18V-160 + GSB 18V-21 twin kit is the cordless ergonomic entry-level impact drill driver in Bosch´s 18V category. Convenient handling for precise working results is ensured by its