BestRail Channel Kit. Fits 99-09 Super Duty with 6.9 foot bed

Bestops detailed Application Guide can be found here: BestRail Detailed Application Guide

• Made of 6061-T6 aircraft grade high-strength aluminum.
• Easy installation.
• Optional Overhead Rack offers additional space up and over the bed.
• Ladder Rack Extension holds up to 12 ft. in length and up to 1,000 lbs. of weight
• Retractable Tie Downs can be used anywhere on the BestRail channels.
• Hard Tonneau can hold up to 3 Tonneau Storage Trays (sold separately).
• Soft Tonneau, made out of the same premium fabric as Bestop Jeep & Truck tops.