黃山 雙孔長管夾 D1.108H 雙螺栓管夾
D1A型長管夾型號有：D1A.168H，D1A.194H，D1A.219H，D1A.245H，D1A.273H，D1A.284H，D1A.325H，D1A.336H，D1A.355H，D1A.377H，D1A.401H，D1A.406H，D1A.426H，D1A.454H，D1A.480H，D1A.503H，D1A.508H，D1A.530H，D1A.540H，D1A.558H，D1A.561H，D1A.601H，D1A.630H，D1A.660H，D1A.701H，D1A.747H，D1A.812H。D1型長管夾和D1A型長管夾的區別主要是：同管徑管夾長度、寬度、厚度有所不同。
黔南 雙孔長管夾 D1A.508H 雙螺栓管夾 ：http://www.jdzj.com/jdzjnews/k4_11834068.html