... cattle. 2.Size:1,800x2,100mm 1,600x2,100mm 3.Pipe:round and square Application:Used in raising the animals,specially ... mm*mm)1,800*2,100m1,600*2,100mGate Pipe style:Round pipe:32mm42mmSquare pipe40*40mm50*50mmElliptic pipe40*80mm30*60mmOn your needThickness ... of the pipe Generally 1.6mmothersPin connection One set With caps Rails number1 ...