For rigid conduit and IMC, steel. Fully reversible, UL listed. No. LN101100CP: 1/2'' trade size, 100 per box No. LN101M5: 1/2'' trade size, UPC coded, 5 per bag No. LN1013: 1/2'' trade size, UPC coded, 3 per bag No. LN102: 3/4'' trade size, 100 per box No. LN102M5: 3/4'' trade size, UPC coded, 5 per bag No. LN1022: 3/4'' trade size, UPC coded, 2 per bag No. LN103M5: 1'' trade size, UPC coded, 5 per bag No. LN1031: 1'' trade size, UPC coded, 1 per bag No. LN1045: 1-1/4'' trade size, UPC coded, 5 per bag No. LN1041: 1-1/4'' trade size, UPC coded, 1 per bag No. LN1052: 1-1/2'' trade size, UPC coded, 2 per bag No. LN1051: 1-1/2'' trade size, UPC coded, 1 per bag No. LN1062: 2'' trade size, UPC coded, 2 per bag No. LN1061: 2'' trade size, UPC coded, 1 per bag No. LN1071: 2-1/2'' trade size, UPC coded, 1 per bag No. LN1081: 3'' trade size, UPC coded, 1 per bag