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