B8” – Fits 8 Inch Core Bit – Standard Block (Imperial) B Block Ideal for seismic or structural

Ideal for seismic or structural installations where exact placement matters

Core Bit Fit: Designed for 115mm Core Drill Bits

the AB242 delivers consistent accuracy

The B40 Block is built to help you hit the mark every time – no expensive rigs

the B250 delivers bulls-eye accuracy

B8” – Fits 8 Inch Core Bit – Standard Block (Imperial) B Block Ideal for seismic or structuralDesigned for precision, safety, and speed when core drilling by hand. The B8 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 B8 delivers bulls eye accuracy, faster setup, and safer operation on concrete walls, floors, manholes, pipes and more. Key Features: Core Bit Fit: Designed for 8