Retrax RetraxPRO MX - 19-23 Ranger 6' w/o Stake Pocket Model 80336Retrax RetraxPRO MX 19 23 Ranger 6' w o Stake Pocket Model 80336 RetraxPRO MX bed covers are made with heavy duty aluminum slats covered in a matte powder coat, giving them the strength to support distributed loads of more than 500 pounds! The RetraxPRO MX features a limited lifetime warranty, meaning you'll never h ave to worry about your bed cover once you have it installed. Sealed ball bearing rollers are mounted onto each section. This allows the