10 in x 10 ft x 18 Gauge 43 mil TELLING Industries Structural Steel Track w/ 2 1/2 in Leg
16 in x 15 ft x 10 Gauge 118 mil G60 OEG Big Apple Joist w/ 2 1/2 in Flange
1 5/8 in x 10 ft x 20 Gauge 33 mil Steeler Structural Steel Track w/ 1 1/2 in Leg