Screw Size: 5/16" X 3-1/4" LongRing Size: 5/16" X 2" I.D.Material: SteelFinish: Zinc PlatedSafe Work Load: 90 lbs.Ring Is Welded ClosedDesigned For Animal Tie Downs And Other Home And Farm ApplicationsLag Thread On Screw EyeSharp Screw Point Bites Into Wood Easily And Quickly