Metabo 1-9/16" SDS-MAX Combination Rotary Hammer Drill KH 5-40Combination hammer with 2 functions: hammer drilling, drilling, and chiseling Metabo S automatic torque limiting clutch: mechanical decoupling of the drive for safe working should the drill stop unexpectedly. Robust die cast aluminum gear housing for optimum heat dissipation and durability The next time you have a big job to tackle, consider the versatile KH 5 40 1 9 16" Combination Hammer Drill from Metabo. Whether you are drilling or chiseling, this