RAM Combination Brake/Clutch Reservoir U-Bolt Mount for the Garmin nuvi 200W, 205W, 250W, 255W, 260W, 265W, 265WT, 285WT & 465T MATERIAL: Powder Coated Marine Grade Aluminum BALL SIZE: 1 Inch Rubber Ball COLOR: Black Powder Coat WEIGHT: 0.51 lbs