4 E-Track Tie Down Mini Trailer Plates 6" x 5", 2 Etrack Slots. Heavy Duty Black Steel, Bolt-on Etracks Cargo Tie-Downs w/ 2 E Track Slots & 2 F Track Holes for Trucks, Vans, Trailers, Boats 4 Pack: These large 6-3/8 inches long x 5-1/8 inches wide 12 gauge steel TRAILER PLATES include slots and holes to ADD ON TO ALL CARGO TIE-DOWN track systems; each has 2 slots for E track or A track spring fitting attachments (2-1/2" x 1-2") and 2 holes for F track or L track stud fitting attachments (3/4" diameter) EXTEND EXISTING TRAILER TIE-DOWN RAIL SYSTEMS OR USE AS PORTABLE STANDALONE TO SECURE CARGO LOADS by anchoring tie-down rings, hooks, straps, rope tie-offs with Etrack spring fittings, A-track fitting attachments, L-track or F-track stud fittings THIS RELIABLE, VERSATILE FLOOR SURFACE MOUNTING SINGLE PLATE is made out of DURABLE BLACK STEEL and can be easily bolted down with the 6 pre-drilled bolting holes with a 3/8" diameter (see diagram for visual dimensions) USE THIS HARDY METAL E-TRACK PLATE AS A TIE DOWN ANCHOR - just clip in any logistic ratchet or cam strap with an E track or A track spring fitting, or clip in a D or O ring with a spring fitting or stud and then insert into the ring an S hook strap such as a motorcycle tiedown, tarp strap or bungee cord, a tie-down chain, or a rope with which you can secure cargo on your pickup bed or tailgate, utility trailer, enclosed cargo van, interior box truck, warehouse, or other vehicle We always offer friendly and knowledgeable customer service as well as a confident 100% MONEY-BACK SATISFACTION GUARANTEE!