QuickSilver Mercruiser Stern Drive Trim Cylinder Trailering Clips 817019A2 - Two Pack - Boat Clamp on to trim cylinder Rams to support the trimmed out drive when trailering the boat. Made from bright red/orange composite plastic. Two clips per package. Produced by Mercury marine to our stringent original equipment Manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or mercruiser stern drive