These adapters solve the issue of keeping your existing carriers while utilizing the Telos or TelosXL for ease of loading and unloading.TheMulti Rack Adapterfastens to the vehicles cross bars and provides an attachment for installing theTelosXL Lift Assistsold separately. Or you can integrate just the loading ramp to your existing J-style kayak carrier (fits most brands).Includes two lengths of mounting bolts for improved fit. Attaches to most cross bar profiles (round, square & oval) and sold in sets of two. The Multi Rack Adapter comes with instructions for a simple installation. All parts and product workmanship are guaranteed with a Lifetime Limited Warranty. Features: Small footprint – Powder coated steel adapter can be mounted either on the inside or outside of the tower. Requires 3”of space to install. Compatible with round, square and most oval shaped factory or aftermarket cross bars Low profile for garage and low ceiling clearance 60mm & 70mm mounting bolts for improved fit Designed to be used exclusively with the original Telos and TelosXL Lift Assist Works with (most) or without existing carriers Lifetime Limited Warranty Specifications: Weight: 6 lbs Length: 10\