Hoist Ring Movement Type Pivot Swivel Material Alloy Steel Mount Type Screw-On Working Load Limit 27 555 lb Thread Size M42-4.50 Operation Lifting Pulling Pivot Angle 180 Degrees Swivel Angle 360 Degrees Usable Thread Length 3 1/8 in Bail Inside Length 3 1/2 in Bail Inside Width 3 7/8 in Bail Thickness 1 1/4 in Overall Length 6 3/4 in Overall Width 6 3/4 in Hardware Included Removable Bolt Minimum Installation Torque 800.6 ft-lb Finish Black Oxide