Leviton 47612-6SB 6-Inch Universal Security Bracket for Structured Media Center, White Allow an unlimited number of upgrades limited only by the enclosure size, to be added to an existing security system terminated within any Leviton Structured Media Center Sold in pairs with self-tapping screws and spacers to easily connect the largest number of security alarm manufacturers' panels Made of white powder-coated 18 gauge sheet metal Come with push-lock pins Consolidated distribution module for incoming services