B1 ¾” – Fits 1 ¾ Inch Core Bit – Standard Block (Imperial) Accessories Block Weight: 1175g

Block Weight: 1175g

the AB178 delivers consistent accuracy

The B4 ½” Block is built to help you hit the mark every time – no expensive rigs

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Core Bit Fit: Designed for 7 ¾ Inch Core Drill Bits

B1 ¾” – Fits 1 ¾ Inch Core Bit – Standard Block (Imperial) Accessories Block Weight: 1175gDesigned for precision, safety, and speed when core drilling by hand. The B1 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 B1 delivers bulls eye accuracy, faster setup, and safer operation on concrete walls, floors, manholes, pipes and more. Key Features: Core Bit Fit: Designed for 1