It's an optional add-on design to reduce the wind noise for upgrade the X39 Series
wear-resistant and easily to wipe clean
Clamps: Mounting clamps for Installation
▪ 360 degree swivel and Sturdy smooth-rolling casters
this rack is readily mountable on the back of a truck (screws not included) and you may enjoy peace of mind that your glass is safe
AA Products SH-6004(2) Steel Mid/ High Roof Van Shelving Storage System Fits Transit, NV, Promaster and Sprinter(SH-6004(2)) #Truck Bed Storage It's an optional add-on designMid High Roof Van Modular Shelving Storage Fits Ford Econoline, Ford Transit, GMC Savana Chevy Express, NV, Promaster, Sprinter and Metris. Set of 2 Van Shelving Units 42"W x 60"H x 13"D 1 (one) Standard Model SH 6004 Every Unit Comes with 4 Fully Adjustable Shelves and Plastic Back Cover. 16 Guage Steel Long Lasting Construction & Innovative Design, Quality Grey Powder Coat Product. All Mounting hardware brackets included. Safety Partition is NOT