The Pinnacle Series of professional hinges is able to accommodate 3/8 to 1/2 inch (10 to 12 millimeter) glass. A variety of 10 styles, including Wall Mount and Glass-to-Glass types, gives design flexibility.They are made of solid brass with all moving parts (pins and springs) in stainless steel. Pinnacle Hinges are self-centering, and contain a Reversible 5° Pivot Pin.