The Bosch RH540S Spline 1-9/16 In. Combination Hammer provides maximum productivity in all day drilling and chiseling applications. Equipped with 6.1 Ft.-Lbs. of impact energy (E.P.T.A.). The RH540S provides up to 39% more impact energy versus the previous model for best-in-class performance. The RH540S also provides variable speed. This delivers better bit control during application start-up.
