... In inchIn metric unit(mm)1/4" x 1/4"6.4mm x 6.4mm22,23,243/8" x 3/8"10.6mm x 10.6mm19,20 ... ,19,20,211" x 1/2"25.4mm x 12.7mm16,17,18,19,20,211-1/2" x 1-1/2"38mm x 38mm14,15,16,17,18,191" x 2"25.4mm x 50 ... roll length: 30m;width: 0.5m to 1.8m2.Special sizes available at request3.Packing: in waterproof paper in rolls. Custom packing available at ...