8 pieces SDS hammer drill set Includes 1/4" x 12", 5/16" x 12", 3/8" x 12", 1/2" x 12",5/8" x 12", 3/4" x 12", 7/8" x 12", 1" x 12", can meet more needs.
Drill tip is made of premium tungsten carbide YG8C, stonger and longer life.
4-cutter instead of just 2-cutter, easy self-centering and faster cutting speed.
Fully compatible with all SDS-Plus Rotary Hammer Drill, like BOSCH, Dewalt, MAKITA, Milwaukee, etc.
Ideal for applications in brick, stone, masonry and concrete.
