B107 – Fits 107mm Core Bit – Standard Block (Metric) Accessories Block Weight: 579

Block Weight: 579

the AB4 ¾” is trusted by professional drillers

The 20mm Core Drilling Starter Kit is built for precision-critical work - delivering outstanding accuracy when you need every hole to hit the mark

Block Weight: 1037

Core Bit Fit: Designed for 4 ¾ Inch Core Drill Bits

B107 – Fits 107mm Core Bit – Standard Block (Metric) Accessories Block Weight: 579Designed for precision, safety, and speed when core drilling by hand. The B107 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 B107 delivers bulls eye accuracy, faster setup, and safer operation on concrete walls, floors, manholes, pipes and more. Key Features: Core Bit Fit: Designed for