... " x 1/2" 12.7mm x 12.7mm 16,17,18,19,20,21,22,23 5/8" x 5/8 ... 4" x 3/4" 19.1mm x 19.1mm 16,17,18,19,20,21 1" x 1/2" 25.4mm ... x 1-1/2" 38mm x 38mm 14,15,16,17,18,19 1" x 2" 25.4mm x 50.8mm 14 ... 2" x 1/2" 12.7mm x 12.7mm 16,17,18,19,20,21 3/4" x 3/4" 19mm ... x 19mm 16,17,18,19,20,21 1" x 1" 25.4mm x ... 25.4mm 15,16,17,18,19,20 Technical Note: 1.Standard roll length: 30m;width ...