Reisser Premium Plus Masonry Drill Bit 150mm for use with concrete and masonry for impact drilling machines. They are manufactured to Reisser’s exacting standards by one of only 8* masonry bit manufacturers worldwide inspected by the PGM and allowed to use their trade mark. The PGM mark is your guarantee of precisely drilled holes for a stable anchor fixing. Quality masonry drills which offer excellent performance at a reasonable cost.