Halex 1 in. D Steel Electrical Conduit Locknut For Rigid/IMC 2 pk

Use these 1 in. Conduit Locknuts (2-Pack) to secure conduit to steel outlet boxes and other metal enclosures. They are designed to cut through protective coatings to ensure ground continuity. Designed to cut through protective coatings on boxes and enclosures to assure ground continuity.