HS-2 Home » Products » Specification Drainage Products » Parts » HS-2 MIFAB®’s HS-2 galvanized steel, 5/16″ x 2 3/4″ set of three studs, washers and nuts. Catalog Catalog List Pricing Current Catalog: MPB-2024 Downloads Downloads Features & Benefits Typical Installations Outlet Selection Guide All Star Cover Flyer Drain Specifications Videos Videos Top Set Drain Demonstration All-Star Drain Video Return to Products