... belt, backpack belt, lacing belt and so on. Technical Details Model (YTB)2/1104/656/456/558/3010/2512/202/1654 ... , 6/45, 6/55, 8/30, 10/25, 12/20, Double layer model: YTB-D 8/30, 10/25, 12/20Wide ... model: YTB 4/80, 8/55, 10/45, 12/30 Safety ...