5-in Dia x 12-in L 30-Gauge Crimped Galvanized Steel Full Flow Duct Tee | Lowe's Canada
HS-30 Guillotine Shear (30 Inch 16 Gauge Sheet Metal Plate Shear) – KAKA INDUSTRIAL LTD.
4mm 30 Gauge Gi Soft Hardness Cold Rolled Hot Dipped Iron Plate Galvanized High Carbon Steel Plain Sheet - China Carbon Steel Sheet, Carbon Steel Sheet Roll | Made-in-China.com