B178 – Fits 178mm Core Bit – Standard Block (Metric) B Block - Imperial The B186 Block is built

The B186 Block is built to help you hit the mark every time – no expensive rigs

The AB140 Block makes angled drilling simple

The B225 Block is built to help you hit the mark every time – no expensive rigs

the B9 ½” delivers bulls-eye accuracy

Using the supplied 10mm SDS Plus drill bit

B178 – Fits 178mm Core Bit – Standard Block (Metric) B Block - Imperial The B186 Block is builtDesigned for precision, safety, and speed when core drilling by hand. The B178 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 B178 delivers bulls eye accuracy, faster setup, and safer operation on concrete walls, floors, manholes, pipes and more. Key Features: Core Bit Fit: Designed for