Profile: J Stell and Sons Ltd. specializes in the manufacture of cardboard tubes. Our products include spiral tubes & cores, convolute tubes, waxed cones, conical bolt boxes, and end caps. We support with an enormous range of lengths, diameters, wall thicknesses, and material specifications including internal & external printing. We offer flaps for industrial applications. We supply a wide range of discs, caps and reel components, and assemblies.