Provides spacing for aftermarket speaker installation Works with all varieties of speakers including component drivers Accommodates 6" to 6 75" speaker – pair Secure fit Provides spacing for aftermarket speaker installation Tested for function in a real world environment Works with all varieties of speakers including component drivers Accommodates 6" to 6 75" speaker – pair Works with all varieties of speakers including component drivers Secure fit Accommodates 6" to 6 75" speaker – pair Tested for function in a real world environment