Deluxe; Clip On. Extra large size clip-on towing mirror. No tools to install, easily clips on to your existing mirror increasing your field of view while towing. Will not block vision of your existing mirror. Dual ratcheting plastic mounting straps will fit most mirrors to 11 1/2" in height. Rachet lock system allows for maximum clamping power which reduces vibrations. The straps have rubber pads to protect your mirror. Fits most vehicle applications.