Adjustable Design: The Aluminum Trailer Roof Rack Can Be Freely Adjusted In Size According To User Needs. Adjustable Height: 21.4 - 33 Inch/54.5 - 84 cm.Extendable Length: 6.0 - 8.2 Ft /184 - 250 cm.Our Trailer Ladder Holder Is Designed To Cater To A Variety Of Truck Bed Sizes, Which Works With Most Of Trailers Durable&Sturdy: Our Ladder Rack For Trailer Is Made Of High - Quality Aluminium Alloy, Featuring Strong Stability While Being Lightweight, Which Reduces The Burden On The Trailer. The Oxidized (Matte Silver)/Powder - Coated (Black) Treated Surfaces Are Durable And Delicate, Endowing The Ladder Racks With Excellent Wear Resistance And Eliminating Any Concerns About Rust. 800 Lbs High Load Capacity:Our Cargo Trailer Roof Rack Are Constructed From 2 - Millimeter - Thick Aluminium, Which Maintains An Outstanding Level Of Strength And Durability. The Employment Of A High - Quality Welding Process Guarantees The Stability And Robustness Of The Load - Bearing Structure. With A Load Capacity Of 800 Lbs For Double Racks, They Are Designed To Meet The Maximum Handling Needs Multi - Functional Use: The Trailer Ladder Roof Rack Suitable For Both Enclosed And Open Trailers, Serves Multiple Purposes. It Can Be Used To Transport Ladders, Facilitate Solar Panel Installations, And Carry Items Like Kayaks. Say Goodbye To The Struggle For Storage Space As It Streamlines Both Your Work And Daily Life Easy To Assemble:The Package Includes 2 Trailer Rack Bars And All Necessary Mounting Hardware. Self-Tapping Screws And Bolts Improve Installation Efficiency And Ensure Component Connection Stability Adjustable Height & Length: Adjustable Height: 21.4-33 in/54.5-84 cm. Extendable Length: 6.0-8.2 ft /184-250 cm. Our Trailer Ladder Rack Is Designed To Cater To A Variety of Truck Bed Sizes