Our professional customer service will give you a quick response and a satisfactory solution. Premium Solid Steel Build] These stake pocket d rings are made of solid steel construction and coated with black powder, with high strength excellent... Durable Material: These stake pocket d rings are made of solid steel construction and coated with black powder, with high strength excellent durability. Heavy-Duty Trailer Stake Pocket D Rings 5400 LBS with Anti D Rings With Anti-loss Pin 5/8" Stake Pocket Tie Down D Rings,Heavy Duty Trailer D Rings With Anti Loss Pin Adjustable Utility Trailer D Rings 18000 Lbs Capacity For Flatbed Cargo Trucks And Trailers Trailer Accessories 6 Pack Flatbed Truck Cargo Secure This d rings for trailers are designed for various trailer and cargo securing needs,flatbed, trailer, trucks,winches etc. 4 Pack Heavy Duty Adjustable Load Lock Bar for Semi Trailers, Truck Box - 89.75"-104.5" Long Steel Ratcheting Cargo Bar Tie-Down Holder for Enclosed Truck & Vans with 2" - 4" Pads Wide Application: AUH stake pocket tie down rings fit all 2“x4 standard stake pockets. Robust Load-Bearing Capacity: working load limit 5400 lbs; capacity 18000 lbs; it possesses robust pulling force, ensuring secure cargo fixation during transport and enhancing overall safety.