... field, lawn and various industrial fields. Specification List of Welded Wire Mesh Opening Wire Diameter In inch In metric unit(mm) 1/4 ... 19,20,21,22 1/2" x 1/2" 12.7mm x 12.7mm 16,17,18,19,20,21,22,23 ... ,18,19,20 1" x 1/2" 25.4mm x 12.7mm 16,17,18,19,20,21 1-1/2 ... ,15,16 2" x 2" 50.8mm x 50.8mm 12,13,14,15,16 2" x 3" 50mm x 75mm ... 14,13,16 3" x 3" 75mm x 756mm 12,13,14,15,16 2" x 4" 50mm x 100mm ...