Working Load Limit: 1,000 lbs , 0º Vertical Breaking Strength: 3,000 lbs One Piece Body Stud Construction with Nylon Lock Nut Great to attach your own attachement onto Tie Down System ZOSANY L-Track Double Lug Threaded Stud Nut Fitting Tie Down 8PCS, L-Track Double Lug Threaded Stud Nut Bearing 6000 LBS Heavy Duty Steel Wholesale L Track Bolts Threaded Double Stud Lug Factory And L Track Threaded Stud Fittings L-Track Threaded Double Stud Lug Fitting Tie Down, Used with L Track Rails for Truck Bed or Trailer Cargo Control, Pack Each fitting has a 3/8 threaded stud with a lock nut and a double lug for fitting into the L-Track rail. Each fitting has a black powder coated finish that... One Piece Body Stud Construction with Nylon Lock Nut. This is a lot of 10 3/8 weld on D Ring. Q: Where are you located?. Note : Never use as lifting application and do not exceed working load limit