Ook Picture Hanging Wire, Steel Galvanized Wire, 19 Gauge, 50 ft. - Walmart.com
Acorn International 100-ft x 2-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
Barbuta - 19 Gauge Steel
Steel Galvanized Picture Wire - 19-gauge | OOK - Cheap Joe's Art Stuff
19 Gauge Metal Luer Lock Precision Blunt Needle Tip TS19SS Stainless Adhesive Dispensing Ltd