Reset Search SEARCH BY PRODUCT INFO COMPETITOR PART # Reset Filters FILTERS Categories Conduit Fittings Elbows Accessories Sanitary Support System ISO 9001:2015 Certified Couplings Description Robroy Stainless Three Piece Couplings connect two pieces of stainless steel conduit when once piece of conduit cannot be turned. Robroy Stainless Three Piece Couplings are available in 316 stainless steel.