SHOCKWAVE(TM) DRILLING & DRIVING BIT SET
40-piece set of Impact Duty(TM) drill bits &-driver bits engineered for durabilityProprietary steel / heated treated for hardnessBits feature geometric design to absorb shockDrill bits have 135 deg. split pointStorage case contains a variety of power drive-bits along with magnetic nut drivers, bit tip-holder and hex drive bits in various sizes