VERSATILE - The E-Track Accessories Set include 10pack etrack O-Rings and 10pack E Track Tie Down Slots with Screws. They are compact and portable. For cargo management in Trucks, Cargo, Bikes, Boats in Trailers, Trailers, Motorcycles, Vans, Warehouses, Docks, Marinas, Pickups, Flatbeds, ect. EASY TO USE - Each 1-slot Plate contains 2 screws, Easily and quickly mount them on a wood beam or wall, strong and stable. Flexible used anywhere, even in a narrow position. The O-Rings are designed with spring-loaded fittings, secure with pressing/releasing lever into any vertical or horizontal E port slot. DURABLE & LONG-LASTING - Made of high-strength alloy steel with Black Powder-Coated surface finish. Excellent corrosion resistance and rust prevention. HEAVY DUTY - Each slot and O Ring has a breaking strength of 4,500 pounds, and a safe working load limit of 1,500 pounds. The E-Port slots and O-rings set fit for any Ratchet/Cam straps, hooks, straps, ropes, bungee cords, chains, etc. 100% SATISFACTION GUARANTEE - We stand behind the quality of our products. Any questions or suggestions, Please feel free to contact us at any time, you will have a satisfactory reply in 24 hours. The E Track Tie Down Slots are compact and portable, Compatible with all E-buckle accessories. Easily and quickly mount one-slot Anchors on a wood beam or wall with just a few screws, load and unload at any time. The etrack O-Rings compatible with all E Track/X Track trailer tie-down rails or E port slots. The O-ring could be used with any straps, ropes, bungee cords, chains, etc. Each pack has a breaking strength of 4,500 pounds and a safe working load limit of 1,500 pounds. For cargo management in Trucks, Cargo, Bikes, Boats in Trailers, Trailers, Motorcycles, Vans, Warehouses, Docks, Marinas, Pickups, Flatbeds, ect.