Specifications 1.Certificate:ISO9001 2.Export to 30 countries 3.20 years factory 4.Professional ... x 1/2"12.7mm x 12.7mm16,17,18,19,20,21,22,235/8" x 5/ ... x 3/4"19.1mm x 19.1mm16,17,18,19,20,211" 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 50.8mm14, ... 1.Standard roll length: 30m;width: 0.5m to 1.8m 2.Special sizes available at request 3. ...