12 ft x 15/16 in Armstrong Prelude XL Exposed Tee Intermediate Duty Main Beam - 7300
12 ft x 9/16 in Armstrong Suprafine XL Exposed Tee Intermediate Duty Main Beam - 7500
12 ft x 1 1/2 in Armstrong Drywall Grid System HD Main Beam - HD8906
12 ft x 9/16 in Armstrong Interlude XL HRC Intermediate Duty Main Beam - 6100HRC
12 ft x 15/16 in Armstrong Prelude XL Exposed Tee HD Main Beam - 7301
12 ft x 15/16 in Armstrong Prelude XL Exposed Tee Intermediate Duty Main Beam - 7300BL
135 in x 1 1/2 in Armstrong Drywall Grid System HD Stucco Main Beam - SP135
12 ft x 9/16 in Armstrong Silhouette XL w/ 1/8 in Reveal Intermediate Duty Main Beam - 76008
12 ft x 9/16 in Armstrong Silhouette XL w/ 1/4 in Reveal Intermediate Duty Main Beam - 7600
12 ft x 15/16 in Armstrong Environmental Prelude Plus XL Exposed Tee Main Beam - AL7200WA
12 ft x 15/16 in Armstrong Prelude XL Exposed Tee HD Main Beam - 7301BL
12 ft x 15/16 in Armstrong Prelude XL Exposed Tee HD Main Beam - 7301WA
12 ft x 15/16 in USG Donn Brand DX/DXL Intermediate Duty Main Tee - DX/DXL24
12 ft x 1.617 in USG Donn Brand Drywall Heavy Duty Straight Main Tee - DGLW26
12 ft x 15/16 in USG Donn Brand DX/DXL Intermediate Duty Main Tee - DX/DXL24-205
12 ft x 15/16 in Armstrong Prelude XL Fire Guard Exposed Tee ID Main Beam - 8300
12 ft x 15/16 in Prelude Plus XL Fire Guard Environmental Exposed Tee HD Main Beam - HD8201WA
12 ft x 9/16 in Armstrong Suprafine XL Exposed Heavy Duty Main Beam - 7501BL
12 ft x 15/16 in Armstrong Prelude XL Exposed Tee HD Main Beam - 7301AD
12 ft x 15/16 in USG Donn Brand DXLA Intermediate Duty Main Tee - DXLA24
12 ft x 15/16 in USG Donn Brand DXLA Intermediate Duty Main Tee - DXLA24-002
12 ft x 15/16 in Armstrong Prelude XL 360 Painted HD Main Beam - 730136BL