Diamond Core Drill Kit – Masonry & Concrete, Wet/Dry, 3 Sizes, with Accessories. A selection of 3 diamond core drills for fast, clean cutting and drilling in masonry, bricks and blocks. Suitable for wet and dry cutting. Supplied with accessories and carry case. Diamond core drills (38, 52 and 117mm), 200mm extension bar, 115mm SDS adaptor, 90mm hex adaptor, (8 x 205mm) pilot drill and 75mm drift key. Wet & Dry Use. Steel Slotted Barrel to Aid Removal of Debris. For Use with 3-Jaw Chuck Machines on Rotary Action or SDS Plus with 38 & 52mm Core Drills. Professional Quality Diamond Core. 3 Popular Core Sizes. Suitable Drilling Surface Description. Kingfisher International Products Limited. 1 Paddington Square, London, W2 1GG. Kingfisher International Products B. Rapenburgerstraat 175E, 1011 VM Amsterdam, 1011, Netherlands.