EIBENSTOCK Dust Swivel for EHD and ESD Diamond Core Drills - M18 Female to 1/2" BSP Male Thread 475313

EIBENSTOCK Dust Swivel for EHD and ESD Diamond Core Drills - M18 Female to 1/2" BSP Male Thread. It is a high air flow accessory that acts as an adaptor to provided integrated dust extraction from the core.