3/4 EMT SS CONN STEEL-INS EMT SS CONNECTOR, INS THROAT FOR CONNECTING EMT TO BOX, CONCRETE TIGHT WHEN TAPED TUBULAR CONSTRUCTION W/STAKED ROBERTSON HEAD SCREWS CONCRETE-TIGHT WHEN TAPED MEETS UL514B cUL/us LISTED FOR EMT ONLY 1-1/4"-4" FURNISHED WITH (2) SET SCREWS