CURT 48610 - LUNETTE EYE CHANNELLUNETTE EYE CHANNEL Mounts CURT channel style lunette ring or coupler Fits #48600, #48601, #48660, #25319, #25329, #25330 or #25328 Three position height adjustment allows for precise trailer leveling 2" bolt pattern spread for simple, secure attachment 3" inside channel width Constructed from one piece, formed steel for superior strength Limited lifetime warranty (one year finish, one year parts)