Spline Plus fits +/- sizes as well as rounded and stripped fasteners Thin Profile for aluminum wheels. Colored Polymer Protective Sleeve with impact rated steel
21mm Standard. Forged Cro-Moly Steel, Grips Flats of the Fasteners, Not the Corners. Lifetime Manufacturer's Warranty. Applies to all Sockets Except Thin Wall, or Specialty Adaptors.
Unique hex opening on each end so that a single socket can accommodate two hex sizes. Thin wall design to fit most recessed wheel nuts. 1/2" Dr. 21mm x 21.5mm Flip Socket | Poly bag with barcode