B4 ¼” – Fits 4 ¼ Inch Core Bit – Standard Block (Imperial) Style:With Bolt The 22mm Core Drilling Starter

The 22mm Core Drilling Starter Kit is built for precision-critical work - delivering outstanding accuracy when you need every hole to hit the mark

Block Weight: 2448g

the B140 delivers bulls-eye accuracy

The AB117 Block makes angled drilling simple

Core Bit Fit: Designed for 65mm Core Drill Bits

B4 ¼” – Fits 4 ¼ Inch Core Bit – Standard Block (Imperial) Style:With Bolt The 22mm Core Drilling StarterDesigned for precision, safety, and speed when core drilling by hand. The B4 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 B4 delivers bulls eye accuracy, faster setup, and safer operation on concrete walls, floors, manholes, pipes and more. Key Features: Core Bit Fit: Designed for 4