Pro Pride Hitch is now offering BAL Extended Fit X Chock. It extends up to 17”. BAL Chock will stabilize your trailer and prevent rolling. Shop Pro Pride online today and get great products like this for your trailer. At Pro Pride we believe in providing you with be best in truck and trailer accessories. Take a look online at our products at http://www.propridehitch.com/categories/ or learn more about Pro Pride Incorporated at www.propridehitch.com.