9pc Bi-Metal Plumber Tool Kit is packaged in Blow Mold Case Material: Bi-Metal 9pc Bi-Metal Plumber Tool Kit9pc Bi-Metal Plumber Tool Kit is packaged in Blow CaseContains:Bi-Metal hole saws: 3/4"(19MM), 7/8"(22MM) , 1-1/8"(29MM) , 1-1/2"(38MM), 1-3/4"(44MM) ,2-1/4"(57MM) Mandrel with pilot drillMandrel AdapterQuick Change Mandrel with Pilot Drill 9pc Bi-Metal Plumber Tool Kit