C.R. LAURENCE Z806BN CRL Brushed Nickel Z-Series Square Type Flat Base Zinc Clamp for 1/4" and 5/16" Glass For 1/4" (6 mm) and 5/16" (8 mm) Glass Replacement Gaskets are Available by Ordering CRL Cat. No. Z14SG The Ideal Clamp for Use on Mezzanines, Partitions, Railings and Windbreaks Base Metal: Zinc Casting Steel Pin Available for Additional Glass Support Tested and Engineered to Meet and Exceed Code Standards (Engineering Reports)