Universal Diamond Dry Core Cutter delivers reliable drilling in masonry.\t Segments are laser-welded to ensure durability.\t Ideal for lime and sand bricks and solid bricks.\t\t\t Dimensions: Diameter mm: 38; 52; 65; 117; 127 Working length mm: 150 Number of segments: 4 Segment height mm: 7.0 Hex Adapter (G 1/2"") SDS Plus Adapter (G 1/2"") Extension Rod (G 1/2"") (240mm) 200mm Pilot Drill Bit Ejector Drift