Cambridge Series, Brushed Nickel finish wall mount frameless shower door hinge with full back plate. Solid Brass construction with all moving parts (pins and springs) in precision machined stainless steel. These beveled edge shower door hinges are self-centering when within 15 degrees of closed position. 90 Degree in and out swing. For use with 3/8" - 1/2" Tempered Safety Glass. Rated for 40 Pounds per hinge. Open/Close tested to at least 50,000 cycles. Requires standard Mouse Ear glass cutout. 3 Year Warranty. Glass clamp plate size 2-1/8" x 3-1/2". Mounting back plate size 1-15/16" x 3-1/2".