Lenco Limited Space Trim Tab Kit - 4" L x 12" W Can be fitted to transoms that have a limited mounting area.; Blades are 12-gauge 304 stainless steel with front of blade folded to provide a smooth trailing edge and the hinges are 2" in height and have a 1/8" diameter stainless steel hinge pin.; Great for boats with a swim platform and/or ladder.; Boat length- 14' - 25'.; Standard finish trim tab kit.; Limited Space Trim Tab Kit