Diamond Core Drill Set 38 52 117mm 3 Pieces Wet & Dry Drilling Minotaur 67699 UK. For fast, clean cutting and drilling in masonry, bricks and blocks. Suitable for wet and dry cutting. Supplied with accessories and carry case. Suitable Drilling Applications: masonry, bricks and blocks. Not suitable for hammer/ impact function during drilling. Wet & Dry Use. Core Sizes: 38, 52, 117mm. Diameter (mm): 38, 52 & 117. Any questions, feel free to ask. Check out my other listings for similar products.