The Bosch GSH 16-28 16kg Road Breaker has the highest material removal rate due to 41 Joules of single impact force and its powerful 1,750 Watt motor. Has a long lifetime due to robust design and use of high-quality materials. Fitted with Vibration Control for reduction of harmful vibration and, therefore, longer operating time and greater ease of use. The GSH 16 Professional is a practical tool that can be easily and conveniently transported on rollers in the trolley that is supplied as standard. Excellent handling thanks to the large handle. The on/off switch is perfectly positioned, which prevents the tool from being switched off unintentionally. Specification Bit Holder 28mm Internal Hexagon. Input Power 1,750 Watt. Impact Rate 1,300/bpm. Impact Energy 41 Joules. Weight 17.9kg. Noise/Vibration Information Measured values determined according to EN 60745. Total vibration values (vector sum of three directions). Chiselling Vibration Emission Value ah 13.0 m/s. Uncertainty K 2.0 m/s.