... ; 2)new soft lap:seven pieces;3)sub-tie-in:one piece; 4)over hose:0.4meter;5) ... is very easy, convenient and fast, which is applied in varieties moulds, hardware products, glass, crafts, accessories, circuit ... mould, pen mould, household mould, etc. In a word, it applies in what need to be grinded, rubbed, carved ... .switch 18.hose band19.air hose 20.sub-tie-in21.over hose 24.screw cap25.front shell 26 ...