VERSATILE ADAPTER - The Bolt-on Steel E-track Connectors make any tool or accessory E-Track-mountable. Transform any accessory into a e track compatible accessory. Come with mounting plates that increase the strength and support of the E-Track connectors, make them more stable. EASY TO USE - The E-Track Connector with Square Plate Set include all needed hardware, feature 4 square holes that accept carriage bolts, Quick and simple installation. This Cargo Securement is perfect for trailer etrack needs. COMPATIBILITY - The E track Compatible Accessories are compact and portable, fit all E Track/X Track trailer tie-down rails or E port single slots. For cargo management in Trucks, Trailers, Enclosed Trailers, Vans, Warehouses, Garages, Workshops, Docks, Marinas, Pickups, Flatbeds ect. DURABLE & HEAVY DUTY - Made of high-strength alloy steel with Black Powder Coated surface finish. Excellent corrosion resistance and rust prevention. Each pack connector has a breaking strength of 4500 pounds and a safe working load limit of 1,500 pounds. 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. Make any tool or accessory E-Track-mountable by bolting heavy-duty E-track connectors to them. E-Track connector fittings move effortlessly between slots and feature 4 square holes that accept carriage bolts. Each pack connector has a breaking strength of 4500 pounds and a safe working load limit of 1,500 pounds. Fit all E Track/X Track trailer tie-down rails or E port single slots. For cargo management in Trucks, Trailers, Enclosed Trailers, Vans, Warehouses, Garages, Workshops, Docks, Marinas, Pickups, Flatbeds and more.