B63 – Fits 63mm Core Bit – Standard Block (Metric) B Block The AB6 ½” Block makes

The AB6 ½” Block makes angled drilling simple

the B6 ¼” delivers bulls-eye accuracy

The B67 Block is built to help you hit the mark every time – no expensive rigs

the AB142 is trusted by professional drillers

Block Weight: 71g

B63 – Fits 63mm Core Bit – Standard Block (Metric) B Block The AB6 ½” Block makesDesigned for precision, safety, and speed when core drilling by hand. The B63 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 B63 delivers bulls eye accuracy, faster setup, and safer operation on concrete walls, floors, manholes, pipes and more. Key Features: Core Bit Fit: Designed for