This is an all aluminum cross member for boat trailers. It is made out of 3" x 3" x 1/4" thick aluminum square tube. This X-member has a V-Bend in the middle of it which gives it a 3" dip. The cross-member measures 59" long. It's normally attached using bolts or u-bolts to aluminum I-Beam boat trailer frames. This cross member is perfect for replacing rusted out galvanized beams, or if you just want to have an extra cross member to attach bunk brackets to.
