Superior quality SDS Plus drill bits suitable for a variety of applications. Drills are fully hardened and ground.Ø28 x 450mm SDS Plus Drill Bit• Superior quality SDS Plus drill bit suitable for a variety of applications.• Drills are fully hardened and ground.• Model No. SDS28X450Model No: SDS28x450:Brand: Worksafe:Size: Ø28 x 450mm:PTDSEASDS28X450