This is also a balance type net, but spiral structure is doubled.
   
  Spec
 
Pitch
Sd/Rd
13/25 10/20 8/17 8/17 6/13 4/14
Diameter
Sd/Rd
3.0/3.0 2.5/2.5 2.5/2.5 2.0/2.0 1.5/2.0 1.2/1.5
Weight
Kg/u
 15.8  13.8  17.8  10.5  9.3  6.8