The Medeco BodyGuard Plate has a 5/16″ thick solid steel plate that is designed to be installed over rim cylinders made by Medeco and other manufacturers. It provides a high degree of resistance against drilling, prying, drilling, wrenching and hammer attacks. It greatly enhances the security of Medeco\’s Dropbolt, Segal lock and many other brands of rim type locks.5/16″ thick steel and through mounting bolts resist wrenching, prying, drilling and hammer attacks. Hardened steel plug protector resists cylinder drilling attacks. Removable decorative cover plate enhances appearance and can easily be.