Item No.: 20133
· 独特V形张开设计结构做到真正防跳,适应不同重量的门体;
· 顶轮的自动调节设计,确保最佳高度尺寸,安装方便;
· 上轨通用铝材实用36-40mm;
· 可适应于偏心尺寸的铝材
· Special V form with spread structure is anti-jump prevented, suitable for doors with different weight
· The self-regulation design of upper wheel can make sure the best height of the door,simple installment.
· Upper track is standardized aluminum for 36-40mm.
· Can be used to off-centre aluminum track