Ring Doubler Bobbins offered are developed using high impact strength based ABS material. Comprising 3 piece bobbin, the structure comprises two flanges and one barrel and comes assembled through welding flanges to both barrel sides which is then re-enforced through putting at the center steel pipe that is also welded at outer sides of flanges on both sides, thus providing for additional support strength to the product. Here, our expertise lies in offering these with different diameter options (as per the suitability of particular ring size).