B92 – Fits 92mm Core Bit – Standard Block (Metric) Style:With Bolt Core Bit Fit: Designed for

Core Bit Fit: Designed for 6 ¾ Inch (171mm) Core Drill Bits

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B92 – Fits 92mm Core Bit – Standard Block (Metric) Style:With Bolt Core Bit Fit: Designed forDesigned for precision, safety, and speed when core drilling by hand. The B92 Block is built to help you hit the mark every time no expensive rigs, no risky setups. Just accurate, safe, and efficient drilling. Trusted by core drillers, plumbers, sparkies, drain layers, and even DIYers, the B92 delivers bulls eye accuracy, faster setup, and safer operation on concrete walls, floors, manholes, pipes and more. Key Features: Core Bit Fit: Designed for