EIBENSTOCK Dust Swivel for EHD and ESD Diamond Core Drills - M18 Female to 1.25" UNC Male Thread 475305

EIBENSTOCK Dust Swivel for EHD and ESD Diamond Core Drills - M18 Female to 1.25" UNC Male Thread. It is a high air flow accessory that acts as an adaptor to provided integrated dust extraction from the core.