PowerKnob ProSeries - StainlessThe Ultimate In Steering Control!Edson's classic Stainless PowerKnob is hands-down the best available on the market today. This is the one accessory you won't know how you lived without.Features:Improves handling and performanceManeuver with precision and confidenceTwin races of fast action ball bearingsAll-weather constructionStrap or bolt onto virtually any steering wheelSmooth ball bearingsEasy 5 minute installIdeal For:BoatsTractorsGolf CartsOff-RoadMaintenance VehiclesLawn Mowers