Its reverse rotation impacts systems eliminates manual prying risks while maintaining drill bit integrity, ensuring uninterrupted workflow during concrete coring and masonry drilling applications Concrete Cores Drill Bit Extractor safely removes stuck bits in masonry or stone with reverse impacts mechanism, for most diamantine cores bits for hassle less extraction up to 40cm Essential for contractors, masonry professional, and DIYers tackling concrete drilling projects where cores bits frequently due to debris accumulation or materials friction Effectively clears obstructions in dry cores drilling operations at construction sites, stonework installations, or home renovation tasks requiring precise bit recovery Engineered with 45# high carbon steel construction, this heavy duty removal tool delivers exceptionally torques resistance and anti deformation properties for repeated use in rigorous drilling conditions, Manufacturer: Kelisdi