Chrome Cone Seat Duplex Acorn Lug Nuts (711-504) by Dorman®. Thread Size: 9/16″ x 18. Hex Size: 7/8″. Overall Length: 1.875″. Seat Angle: 60 Deg. Material: Steel. Handling: Right Hand Thread. Packaging Type: Card. Package Quantity: 4 Pieces. Dorman’s Wheel Nuts are designed and constructed to strict engineering quality standards. All of the Wheel Nuts are manufactured with high corrosion resistance to combat rust in any environment.