Perfectly replace the GNXA2000 GOOSENECK Hitch Replacement Ball. [GNXA2000 Hitch Ball Size]: Hitch ball Diameter: 2.3125 (2-5/16)inches. Distance from center of locking pin hole to bottom of square base: 2 inches, the center of locking pin hole:0.68Inch, Distance from ball to bottom of square base:7.87Inch. [Exact Perfect Replacement GNXA2000]: GNXA2000 Hitch ball replaces the ball from your turn-over ball underbed gooseneck hitch Square ball base prevents ball from turning in hitch during hook up. [30,500lbs]: Weight 8.6 lbs, Solid Sturdy Hardened steel construction, 30,500lbs load capacity, meet your various trailer needs. [Reliable Design]: The corners only' fit of the square ball base in the round portion of the socket allows dirt to fall through the socket, reducing the chance that the ball might seize up.<br><br>Colour:Silver Material:Metal<br><br>Package Contents: 1 x Gooseneck Turn Over Ball<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.