SWIVEL HOIST RINGS, Heavy Duty EZ-TorqueTM system
FEATURES: Extra-large Swivel Hoist Rings with our patented EZ-Torqueâ„¢ system that allows tightening several smaller bolt heads with a standard torque wrench instead of tightening one large bolt with a special tool. Swivel Hoist Rings pivot 180 degrees and swivel 360 degrees simultaneously to allow lifting from any direction. Safety factor = 5:1. Black oxide finish is standard, with cadmium plating available as a special. Patent no. 3,297,293, 4,705,422, 5,848,815, and 6,199,925. Made in USA.