B146 – Fits 146mm Core Bit – Standard Block (Metric) Style:With Bolt the B89 delivers bulls-eye accuracy

the B89 delivers bulls-eye accuracy

it’s the go-to solution when you need consistent results into walls

Block Dimensions: 153mm x 75mm (Note: this refers to block size

The B76 Block is built to help you hit the mark every time – no expensive rigs

Block Dimensions: 40mm x 75mm (Note: this refers to block size

B146 – Fits 146mm Core Bit – Standard Block (Metric) Style:With Bolt the B89 delivers bulls-eye accuracyDesigned for precision, safety, and speed when core drilling by hand. The B146 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 B146 delivers bulls eye accuracy, faster setup, and safer operation on concrete walls, floors, manholes, pipes and more. Key Features: Core Bit Fit: Designed for