STANDARD FIT. This hitch receiver tube features industry-standard inside dimensions, able to accept virtually any 2-inch x 2-inch shank, including a trailer hitch ball mount, tow hook or other receiver hitch accessories. HIGH-STRENGTH. This receiver tube is constructed from quality steel to offer dependable strength. REINFORCED COLLAR. To maximize strength at the opening, this hitch tube receiver is fitted with a 1/2-inch reinforcement collar.