Plated steel Concave construction centers connectors, conduit, nipples in oversize knockouts. Used in pairs, 1 on either side of box. UL listed. UPC coded. No. WA1214: Reduces: 3/4 to 1/2, Material: Plated Steel, UL Listed: Yes, Pkg Qty: 4, Package Type: Bag No. WA1212: Reduces: 3/4 to 1/2, Material: Plated Steel, UL Listed: Yes, Pkg Qty: 2, Package Type: Bag No. WA1314: Reduces: 1 to 1/2, Material: Plated Steel, UL Listed: Yes, Pkg Qty: 4, Package Type: Bag No. WA1312: Reduces: 1 to 1/2, Material: Plated Steel, UL Listed: Yes, Pkg Qty: 2, Package Type: Bag No. WA1324: Reduces: 1 to 3/4, Material: Plated Steel, UL Listed: Yes, Pkg Qty: 4, Package Type: Bag No. WA1322: Reduces: 1 to 3/4, Material: Plated Steel, UL Listed: Yes, Pkg Qty: 2, Package Type: Bag No. WA1432: Reduces: 1-1/4 to 1, Material: Plated Steel, UL Listed: Yes, Pkg Qty: 2, Package Type: Bag No. WA1542: Reduces: 1-1/2 to 1-1/4, Material: Plated Steel, UL Listed: Yes, Pkg Qty: 2, Package Type: Bag No. WA1652: Reduces: 2 to 1-1/2, Material: Plated Steel, UL Listed: Yes, Pkg Qty: 2, Package Type: Bag No. WA1762: Reduces: 2-1/2 to 2, Material: Plated Steel, UL Listed: Yes, Pkg Qty: 2, Package Type: Bag