10Piece Metric HalfSize Flip Socket Set with Extension Bar and KnockOut Pin This versatile flip socket set is designed for professional mechanics, automotive enthusiasts, and anyone who needs reliable performance when removing or installing wheel nuts in tight spaces. Built for efficiency, durability, and precision fit, it ensures you can work quickly without damaging wheels or fasteners. Key Features: Metric Sizes Included: Contains 10 halfsize flip sockets in 17x17.5mm, 18.5x19.5mm, 19x21mm, 21x21.5mm, and 22x22.5mm sizes. Also includes 1 x 3inch extension bar and 1 x knockout pin for added convenience. 1/2' Drive Compatibility: Standard 6point hex design ensures secure engagement with nuts, allowing easy installation and removal with less risk of rounding edges. Fits most standard ratchets and impact wrenches. Protective NonMarring Sleeves: Each socket sleeve features a removable cover to protect aluminum wheels from scratches or marks. If clearance is limited, simply remove the sleeve to work in tighter spaces. Thin Wall Design: Approximately 1mm thinner than standard sockets, these flip sockets are ideal for reaching recessed or tight lug nuts on factory or aftermarket wheels. for vehicles with minimal wheel clearance. Strength Materials: Made from chromemolybdenum steel for hardness and long service life. Finished with a black phosphate coating for corrosion resistance and durability. Applications: Ideal for removing and installing wheel nuts on cars, trucks, and SUVs equipped with aluminum or custom wheels. Suitable for use in automotive shops or for mobile tire service professionals working with a variety of wheel designs. for situations where space is limited, such as performance vehicles with modified wheel wells or deep lug cavities. This set delivers precise fitment, strong torque handling, and wheel protection in one compact package, making it a dependable choice for anyone servicing modern wheel assemblies.