conduit roller 1.Roller material: Aluminum or Nylon 2.kinds:cable laying roller,corner roller,guid roller,Triple cable roller cabe roller, cable laying rollers, steel cable roller, electric power cablerollers,cast iron laying roller, nylon roller Product No.Tube diameters(mm)Weight (kg)80803.490903.61001003.71301305.51501505.72002007.2 conduit roller