1) rubber lining , textile double jacket 2) flexible, easy rolling and light weight 3) Sizes ... :25mm to 100mm Features: Material: rubber lining and textile jacket Advantage: flexible, easy rolling and light weightSize: 1"( 25mm) ... Bar)1.5"4038+2 -08, 10, 13, 162.0"5051+2 -08, 10, 13, 162.5"6563.5+2 -08, 10 ... , 13, 163.0"8072.6+2.5 -08, 10, 13, 164.0"100101.6+2.5 -08, 10, 13, 16 double jacket fire ...