The CRL Ultimate Series of professional hinges is able to accommodate 3/8 to 1/2 inch glass. A variety of two styles, Wall Mount and Glass-to-Glass types, gives design flexibility.The Ulimate Series Hinge is named primarily for its combination of design elegance and service life. Featuring the same beautiful rounded corners and beveled edges of the Pinnacle Hinge, the Ulimate Hinge is constructed entirely of stainless steel.This all-stainless construction gives the Ultimate Hinge a durability not usually found in brass hinges.The Ulimate has superior survivability in conditions of accelerated corrosion, such as seaside communities with high atmospheric salt levels.