... metric unit(mm)1/4" x 1/4"6.4mm x 6.4mm22,23,243/8" x 3/8"10.6mm x 10.6mm19,20,21 ... 50.8mm12,13,14,15,16Technical Note:1,Standard roll length: 30m;width: 0.5m to 1.8m2,Special sizes available at request3 ... Customer getting items. If the quality of our products shows problems, we will provide free spare parts and repair services, warranty ...