91mm x 150mm Long Diamond Core Drill Bit Set Includes SDS Adapter, Hex Shank Adapter & Centre Drill Bit. To Be Used In Concrete Masonry Brick Block Stone Granite Diamond Drill Bit Core Accessories

Erbauer Diamond Core Drill Bit 117mm

MOXPIFY 91mm x 170mm Long Diamond Core Drill Bit Set with 240mm SDS Plus Shank. To Be Used In Concrete Masonry Brick Block Stone Granite.