Hot-dipped galvanized rigid conduit coupling. Heavy coating of zinc inside and out. Steel duct threads are clean and full cut, galvanized after cutting to comply with all UL thread specifications. 1 each. UL (Underwriter's Laboratories) listed.
5/8x14 Masonry Bit
22MM 1/2Dr Deep 6pt Socket
1/2x6 Masonry Bit
Overflow Plate Two Hole Chrome