B178 – Fits 178mm Core Bit – Standard Block (Metric) B Block - Imperial The B186 Block is built

The B186 Block is built to help you hit the mark every time – no expensive rigs

Block Dimensions: 178mm x 75mm (Note: this refers to block size

Using the supplied 10mm SDS Plus drill bit

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

B178 – Fits 178mm Core Bit – Standard Block (Metric) B Block - Imperial The B186 Block is builtDesigned for precision, safety, and speed when core drilling by hand. The B178 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 B178 delivers bulls eye accuracy, faster setup, and safer operation on concrete walls, floors, manholes, pipes and more. Key Features: Core Bit Fit: Designed for