The Trailer Bed Chain Tie Down from Buyers Products creates a sturdy, recessedanchor point on your flatbed floor or trailer bed. With a working load limit of6,600 lb, it uses 3/8 in. Grade 70 chain. Apply it to your recessed woodenfloor by welding to the understructure so the tie down will lay flush wheninstalled. WLL: 6,600 lb. Provides a sturdy anchor point on your flatbed floor Sits flush with your deck Used with 3/8 in., Grade 70 chain Old Part Number: BWR1