Stanley Hardware 908 6-Inch Zinc Plated Lifespan Heavy T-Hinge No Screw Authorized Replacement from National Hardware Stock #N129-171 Manufactured from steel Heavy duty for extra strength, exceeds strength requirements of ANSI/BHMA A156.20-2989 All metal parts are plated prior to assembly to enhance rust resistance LifeSpan Limited Lifetime Warranty Patented bearing design eliminates metal to metal contact for smooth, quiet operation Exclusive bearing design on hinge eliminates metal-to-metal contact; increases life expectancy by up to 500% Bearings provide smooth, quiet operation; can be used in extreme temperature climates All metal parts are plated prior to assembly for increased rust resistance; zinc finish Limited lifetime warranty; exceeds ANSI/BHMA strength requirements Strap measures 6 inches in length with 2-3/32-inch width at joint; pad measures 4-1/4-by-1-13/16 inches (HxW)