MULTI PURPOSE USE - The E Track Tie Down Slots are compact and portable, Compatible with all E-buckle accessories. Used for Enclosed Trailers, Trailers, Trucks, Flatbeds, Pickups, Vans, Bikes, Boats in Trailers, Motorcycles, Garages, Warehouses, Workshops, Docks, Marinas, ect. EASY TO USE - Each One-Slot Plate contains 2 screws and washers, Easily and quickly mount them on a wood beam or wall, strong and stable. It can be flexible used anywhere, even in a narrow position, load and unload at any time. DURABLE & LONG-LASTING - Made of high-strength steel, with a breaking strength of 4,500 pounds and a safe working load limit of 1,500 pounds. Galvanized surface finish, excellent corrosion resistance and rust prevention. COMPATIBILITY - 20pcs E Rail 1-slot come with 40 screws. Versatile to standard E-Track O-Ring, E-Track J Hook, E-Track Spare Tire Mount, E-Track Wood Holder Beam Socket, E-strap, E-buckle, 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 Rail Tie Down Slot tie down anchors are compact and portable, Compatible with all E-buckle accessories. Easily and quickly mount E-Track tie down 1-slot on a wood beam or wall with just a few screws, load and unload at any time. Used for Enclosed Trailers, Trailers, Trucks, Flatbeds, Pickups, Vans, Bikes, Boats in Trailers, Motorcycles, Garages, Warehouses, Workshops, Docks, Marinas, ect.