Work faster on harder materials with Sutton Tools SDS Plus Reo Masonry Drill Bit 4-Cut. It is engineered for reinforced concrete, brick, aerated concrete, stone and granite. With a 4-cut thin external tip, for less friction and a half-round spiral for accelerated dust extraction away from the tip. SDS Plus Reo Masonry Drill Bit 4-Cut is a sand-blasted finish that offers an environmentally friendly production method with zero heavy metals. The SDS Plus Shank suits ALL SDS Plus rotary hammer drills.