Specification Brand : MichaelPro BulletPoint1 : 【ALL-IN-ONE BOX】Three flip side dual-end socket set features 6 most popular sizes- 18.5 x 19.5mm, 21 x 21.5mm and 22 x 22.5mm and 4" Knockout Bar. BulletPoint2 : 【DESIGNED TO WITHSTAND WEAR & TEAR】Thin wall sockets fit into most lug nut openings. These fully impact-grade car wheel lug nut sockets are made from premium, heat-treated Chrome Molybdenum steel (CR-MO) that will endure high-torque from any driver. These lug nut sockets can be used with an impact wrench, air ratchet, breaker bar, or torque wrench. BulletPoint3 : 【MORE POWERFUL & DURABLE】Rust-proof and corrosion-resistant Manganese Phosphate coated to make your lug nut sockets last a lifetime. BulletPoint4 : 【EASY IDENTIFICATION】Fully labelled laser-etched size marking makes identifying sockets a breeze. The spring-loaded detent ball system prevents dropping. BulletPoint5 : 【RELIABLE & EFFICIENT】At MichaelPro, our tools go through strict quality control processes to ensure they keep users company for the longest time possible. That is why customers trust MichaelPro tools to be quality tools, and we are thankful and proud of it. Majority of our products are backed by our Limited Lifetime Warranty. If you experience any issues with our tools, simply contact our customer service for assistance. We are always here. CompatibleFastenerDescription : 1/2 Inch Drive DriveSystem : Square ExternallyAssignedProductIdentifier1 : 840113502912 ExternallyAssignedProductIdentifier2 : 0840113502912 FinishType : Manganese Phosphate ItemName : MichaelPro 4-Piece 1/2-inch Drive Half Size Thin Wall Impact Flip Lug Nut Socket Set, Chrome Moly Steel for Lifetime Use, Knockout Bar Included | MP005042 ItemPackageDimensions_Height : 15.5 centimeters ItemPackageDimensions_Length : 3.9 centimeters ItemPackageDimensions_Width : 13.9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : drive-socket-sets Manufacturer : VR Corporation Material : Chrome Molybdenum Steel ModelName : 4-Piece 1/2-inch Drive Thin Wall Impact Flip Lug Nut Socket Set ModelNumber : MP005042 NumberOfBoxes : 1 NumberOfPieces : 4 ProductDescription : 4-Piece 1/2-inch Drive Thin Wall Impact Flip Lug Nut Socket Set with Half Sizes, Chrome Moly Steel for Lifetime Use ProductSiteLaunchDate : 2023-04-19T03:22:20.758Z Size : 4-Piece Half Size Flip Lug Nut Socket Set Style : Accessory tool kit, 15pc + Set, 3/8" Drive SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1