EMT Compression Couplings 4" - Zinc Die Cast - EMT Compression Couplings are Used To Secure EMT Conduit to EMT Conduit.EMT Compression Couplings - Zinc Die Cast 4" features include: Use to connect EMT Conduit to EMT Conduit for concrete tight, dry or damp location applications Concrete Tight (When Taped) Female NPS Thread Die Cast Zinc UL/CSA Listed Also UL Listed for use with Rigid IMC Order Qty of 1 = 1 Piece Below is more info on our EMT Compression Couplings - Zinc Die Cast 4"