Boat trailer Cross Member is 3" wide, 2" tall, and 43.75" in length. This cross member features diagonal holes drilled at each end so the crossmember can be mounted over or under a 3" wide frame rail. 3-1/16" wide U-bolts are needed to complete installation (sold separately; check your frame width and height)—galvanized finish to prevent saltwater corrosion. Can be used on Load Rite model S-172200VT as a forward cross member.