Click to expand Tap to zoom Black Plastic Cross member cap by AmeraTrail Parts Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $1.50 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. 3" Square Black Plastic Plug (3 Sq Inch) Flexible Ridges End Cap for Inside. 3"x 3" Cross Member.