VEVOR 5/16" Tractor Bucket Hook with Tie Down Ring, Grade 70 Forged Steel Heavy Duty Bolt-On Grab Hook with Back Plate Compatible for Tractor Bucket RV UTV Truck, Maximum Break Strength 12,000 lbsHigh Load CapacityUniversal SizeFlexible & EfficientSturdy ConstructionEasy InstallationIntegrated StructureNut Quantity: 6 Pieces,Bolt Size: 1/2-13 x 2-1/2,Ring Shape: D Ring,Mounting Plate Size: 22" x 6"/558.8 x 152.4 mm,Nut Specification: 1/2-13 x 1/2,Installation Mode: Integrated,Receiver Size: 1/2"/50.8 mm (Inner Hole Diameter >2"),Breaking Load Limit: 12000 lbs/5443.1 kg,Connection Hole Size: 4-⌀17,Product Size (L x W x H): 21.88" x 6.02" x 3.74"/556 x 153 x 95 mm,Ring Diameter: 1/2"/12.7 mm,Grab Hook Size: 5/16"/7.93 mm,Bolt Quantity: 6 Pieces,Item Model Number: QY4,Material Grade: G70,Net Weight: 14.77 lbs/6.7 kg (including all accessories),Working Load Limit: 4700 lbs/2131.88 kg