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.

• Spline bit system — accommodates all accessories with spline or 3/4 In. round hex shanks.
• Combination dual mode selector — selector knob allows the tool to be switched between rotary hammer mode or hammer only mode.
• Vario-Lock positioning — rotates and locks chisel into 12 different positions to optimize working angle.
• Innovative service modules — designed so a qualified service technician can quickly replace the brushes and cord.
• 360° Auxiliary handle — provides a wide range of movement along with operator comfort.
• Integral clutch — disengages torque transmission if the bit gets into a bind situation.
• Grounded design, CSA listed, complies to OSHA.