5 Pc. Rotary Hammer Drill SDS Plus Chisel Set Features: Heat treated alloy steel. Optimal shape ensure high performance and long service life. The SDS-Plus holder chisel has a different working surface and can be sharpened and forged again. The chisel is used for rotary hammers with SDS-Plus. Great for breaking or making holes on walls, concrete, stone, and other materials or laying cable pipes in masonry. Contents: 2 Pc - Bull Point Chisels: 5-1/2" & 10" 3 Pc - Flat Chisels: 3/4" x 5-1/2", 3/4" x 10" and 1-5/8" x 10"