The PROTECT-ALL® Welding Rod is 5.25mm diameter and is packaged in spools or rolls of 525 linear feetrolls. The PROTECT-ALL® Welding Rod is available in all standard Protect-All colors, allowing for both coordinating and contrasting seams. Heat coolers, all wet areas, pool and/or ice rinks perimeter flooring, all outside installations, or seams may be welded for aesthetics reasons. Because the large diameter of the Protect-All welding rod, special grooving and welding tools are necessary. Electric router blades and hot air welding tips especially designed to work with the PROTECT-ALL® welding rod are available from Oscoda Plastics®, Inc. See Heat Welding Accessories or contact the Oscoda Plastics Sales Department for additional information.