The VIM Tools SHM400A Stubby Hex Bit Driver Set includes ten S2 alloy steel drivers ranging from 2mm to 10mm. Each bit features a compact one piece stubby design with a 0.75 inch overall length for accessing tight or obstructed fasteners. The 1 4 inch square drive provides strong torque transfer, while the knurled body improves grip and control during precision work. A satin chrome finish adds durability and corrosion resistance. The set comes mounted on a Magrail holder for organized storage, making it ideal for professional technicians who need reliable, compact hex drivers.