Product details:

CRL Prima Series Wall Mount Glass Brackets are designed to work with 5/16" to 1/2" (8 to 12 mm) thick glass. Can also be used as a horizontal shelf bracket. The Prima Wall Brackets have the identical configuration as the Prima and Pinnacle Hinges which will help provide continuity of design. They feature rounded corners and beveled edges in several decorator finishes and are constructed of solid brass. Custom finishes are available upon request. SPECIFICATIONS: Glass Thickness: 5/16" to 1/2" (8 to 12 mm) Material: Solid Brass Includes: Gaskets and Mounting Screws Hole Diameter Required: Two 3/4"(19 mm) Holes Per Panel