This 10-pc IMPACT BALL Torsion Bit Set from Vessel Tools IB11P02U comes in a compact POP-UP case, making it an ideal tool for on-the-go activities. Equipped with VoHA material for high-grade wear-resistance, each bit is put through an in-house optimum heat treatment process that hardens the bits to 62HRC for exceptional durability. Tips are magnetized for secure fitting.