Ingco 20V brushless cordless rotary hammer drill set, model CRHLI2201. It features a 26mm SDS plus chuck system suitable for concrete, steel, and wood.The industrial-grade tool offers variable speeds up to 1350 RPM and an impact rate of 4700 BPM.Included in the yellow carrying case are generally a brushless rotary hammer, 3 drill bits, and a chisel.