E Track Tiedown Fittings 5,000 lb. Capacity Tie Downs - 6 Pack This listing is for SIX (6) tie down attachments. Each fitting has a 5.000 lb.* cap. - The base has three heavy plates. The plates (5/32" thick) are held together with two 3/16" rivets The 1/4" thick stainless steel ring measures an 1-1/2" in diameter (center to center) The attachment is zinc coated (gold) to inhibit corrosion.