Metal springs for overhead doors, namely, torsion springs, extension springs, mini warehouse springs, rolling steel door springs, and other garage door accessories comprised of metal, namely, extension hardware in the nature of pulleys, eye bolts, adjustment clips, S-hooks, and spring clips, cones, non-electrical cable drums, non-electrical aircraft cables, non-electrical cable assemblies, non-electrical cable fittings, rollers, hinges, bearings, bearing plates, locks, operator brackets, top fixtures in the nature of brackets, bottom brackets, low headroom devices in the nature of quick close fixtures in the nature of brackets, low headroom brackets and low headroom kits comprised of metal components consisting of curved tracks, sheaves, brackets, pins and fasteners, bumpers, jamb brackets, and exhaust ports, carriage door metal hardware in the nature of hinges, handles, studs, knockers and screws, fasteners, roller chains, angles, struts, tracks, torsion shafts, chain hoists, slide bolt latches

Spring Wire Gauges