Features: Challenger CMT-50 Magnum Flotation Trailer 1. Bi-directional rolligon trailer with locking bolster on each end. 2. Maximum flotation with giant 54x68x28 tires. 3. Handle single or double joint pipe 4. Quick adjustable saddle width with slide control and chain lock for varying pipe diameter. 5. Two 4 strap winches on each end to keep load from shifting. 6. For off road use only. 7. The best performance available for tires in mud, dirt, sand, snow and the rest.