ITEM NAME:5/8" Locking Hitch Pin with Keys and Cover Truck Trailer Receiver Security Description: - Flat high security key,Resists attempted drill outs. - Made from High Quality Stainless Steel - Water and Dust Tight Protected with Rubber Seals - Securely Inside of the Hitch Tube,Insertion of Pin Through the Receiver and Ball Mount. - Fits all 2" Wide Hitch Receivers for Truck Trailer. Specification: - Material: High Quality Metal - Overall Length: 160mm/4.8" - Pin Size: 5/8" Diameter Receiver Lock Package Included: 1 Piece Trailer Hitch Pin Lock 2 Pieces Keys Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making.Securely Inside of the Hitch Tube,Insertion of Pin Through the Receiver and Ball Mount. - Fits all 2" Wide Hitch Receivers for Truck Trailer. 1 Piece Trailer Hitch Pin Lock. 2 Pieces Keys. - Flat high security key,Resists attempted drill outs.