Feature: 1. 53" (135 cm) Universal Rail Roof Rack System. 2. The clip is clamped on the side rail of the car roof, with a rubber pad at the bottom to prevent damage to the car paint. 3. No drilling/cutting required (adjustable clamp design, 2 universal clamps: one-piece and split-roof with side rails). 4. Can place things on the roof together with other accessories (such as basket racks/bike racks). 5. Applicable to one-piece and separate roof side rails, not suitable for hole-type roof side rails and no side rails; 6. Easy to assemble and disassemble. 7. Applicable to any vehicle with a roof width of less than 135 cm(adjustable width at both ends 8 cm). (This is based on the actual size of the picture) Parts List: A:2*Cross Bars B:4*Mounting Support With Short Kits (Fit Flush Side Rail) C:4*Long Kits (Fit Raised Side Rail) D:4*Protective Strips E:1*Hex Wrench F:4*Plastic Scales G:4*Plastic End Caps H:4*Keys I:4*Rubber Pads J:2*Screwdrivers Specification: Color: silver Material: Lightweight aluminum, high strength Bar size: about 135 cm Load capacity: 330LBS/150KG Notices: 1. Please check your roof before buying to make sure these rails fit your vehicle. 2. If there is any difficulty in installation, professional installation is strongly recommended. 3. For vehicles with sun protection function, please ensure that there is enough space to install the crossbar, otherwise your sun visor cannot be opened after installing the crossbar. 4. Please allow1-3 cm (0.4-1.18 inch) difference due to manual measurement and slight color variation with different display settings. 5. Due to light and screen differences, the product color may be slightly different from the picture. Please forgive me.