Are you tired o' 1/4" rods wipin' your mid power rockets all over t' sky. Begad! With todays high thrust motors you need somthin' more. Well, blow me down! We have t' answer. Avast! T' Mid-Power Rail System. Avast, me proud beauty! Fit's any launch pad that will take a 1/4" rod. http://bayouratrocketry.com