Base Reducer - PairIf you currently have a set of TACO Marine outrigger poles from your GS-170 mounts, they can still be used if you upgrade your bases to our GS-280 or 380 series. Our TACO Outrigger Base Reducer is the perfect complement to allow your current poles to be used, by reducing the base without missing a beat.Features:. Reduces Grand Slam base from 1-1/2" to 1-1/8". Allows the use of GS-170 Outrigger Poles with GS-200 and 300 Series. Nylon, easy-to-install sleeve design. 1-year Limited Warranty