Acorn International 100-ft x 4-ft 19-Gauge Silver Galvanized Steel Hardware Cloth Rolled Fencing with Mesh Size 1/2-in x 1/2-in in the Rolled Fencing department at Lowes.com
Everbilt 1/2 in. x 4 ft. x 25 ft. 19-Gauge Steel Hardware Cloth 308226EB - The Home Depot
24 in. Galvanized Hardware Cloth with 1/2 in. mesh — Ellington Agway
Filtration Wire Cloth and Mesh | Gerard Daniel
19 Gauge Galvanized Hardware Cloth with Mesh Size 1/2" x 1/2" - FencerWire