DeWalt DW5455 3/4 x 10 x 12 SDS+ 2C Coilhose Pneumatics and a variable speed trigger

and a variable speed trigger that allows the user to optimize the flow rate according to the application

Heavy Duty Orange Diamond Core Bore Bit for Concrete with HOL Specifications for General Purpose and Longer Life

The top of the tool is flat

Warranty: 5 Year Tool

DeWalt DW5455 3/4 x 10 x 12 SDS+ 2C Coilhose Pneumatics and a variable speed triggerDEWALT 3 4 in x 10 in x 12 in Rock Carbide SDS Plus Hammer Drill Bit Guaranteed to set up to 25% more anchors than standard masonry bits, DEWALT SDS Plus Masonry Drill Bits power through masonry, concrete, and more with a carbide tip that maximizes bit life. An elongated 4 flute helix helps to increase material removal.