2000 Series Aftermarket SpeedBrake Kit For Cessna 210 Series, STC SA2602NM. Available for both 12 or 24 Volt aircraft. Kit will arrive complete with STC, cockpit switch, all installation hardware and documentation. Average installation time is 25-35 hours with an installed weight of 9 pounds. STC'd For: 210G, T210G, 210H, 210J, T210K, T210J, 210L, T210L, 210M, T210M, 210N, P210N, T210N, P210R, T210R, T210H Features Deployable at any speed below Vne (175 Knot limit if you have tip tanks) Doubles aircraft drag Doubles normal rate of descent Helps prevent engine shock cooling Improves aircraft value and utility