This Roller Tensioner Kit from Ramsey Winch Company has been made special forthe H-200 Series Winches used on Century Car Carriers by Miller Industries. Itis Underwound Style only. Dimensions: 11″ x 7 1/2″ x 3″ Roller Tensioner Kit Used on H-200 Series Winches Made for Century Car Carriers Underwound Style Replaces 256160