... proof paper wrapped on both ends/Special size and specifications are available according to customer's requirementsSpecification List ... Diameter(BWG)Surface treatmentIn inchIn metric unit(mm)1/4" x 1/4"6.4mm x 6.4mm22,23, ... x 12.7mm16,17,18,19,20,211-1/2" x 1-1/2"38mm x 38mm14,15,16,17, ... roll length: 30m;width: 0.5m to 1.8mSpecial specifications are available at customers’ requirement welded wire mesh