... ,18,19,20,211-1/2" x 1-1/2"38mm x 38mm14,15,16,17,18,191" x 2"25.4mm x 50 ... .8mm14,15,162" x 2"50.8mm ... ,18,19,20,211-1/2" x 1-1/2"38mm x 38mm14,15,16,17,18,191" x 2"25.4mm x 50 ... .8mm14,15,162" x 2"50.8mm ... x 50.8mm12,13,14,15,16 steel galvanized welded mesh for building