B1 ¼” – Fits 1 ¼ Inch Core Bit – Standard Block (Imperial) B Block - Imperial Block Dimensions: 232

Block Dimensions: 232

The B5” Block is built to help you hit the mark every time – no expensive rigs

Block Dimensions: 74mm x 75mm (Note: this refers to block size

The 75mm long Core Drill Block Accessory Kit is the refresh kit when you need more screw bolts

wood and more

B1 ¼” – Fits 1 ¼ Inch Core Bit – Standard Block (Imperial) B Block - Imperial Block Dimensions: 232Designed 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