For sale is a pair of brand new diamond core drill bits in two highly useful trade sizes. Perfect for clean, accurate holes through brick, block, masonry and concrete. ? Included 1 × 102mm Diamond Core Drill Bit 1 × 122mm Diamond Core Drill Bit?? Key Details?? Brand new – never used Designed for?? wet drilling?? Female fitting?? Heavy-duty steel barrel?? Diamond cutting segments for fast, efficient cutting Suitable for professional trades or DIY??? Common Uses Soil pipe openings Boiler flues Ventilation ducts Service penetrations through masonry Both sizes are very commonly used on building sites, making this a practical bundle for builders, plumbers, electricians and general construction work. ? Feel free to message with any questions. Great value trade tools – ready for the next job.