ET 450 are manufactured using glass-filled fiber blended with Delrin material which results in high durability . This version is specifically designed to be attached as a bolt on to the Pro-Spec easy tag base mounts . The ET 450 is capable of holding all types of quick release Buckle. Action camera mounting made easy using the Easy Tag camera mount from Pro-Spec. Designed to provide easy slide on installation of action camera onto your Crash guards and Engine guards.