"The Portable Gunsmith" - This screwdriver comes with eight hardened bits  specifically chosen for use in standard gunsmithing tasks. They work with scope  rings and bases, recoil pads and butt plates, and most common sizes of slotted  gun screws. All the bits store conveniently in the ergonomically shaped handle  so there's never any hunting for the right bit.

The magnetic screwdriver tip  provides quick, easy bit changes and aids in the handling of small screws.

The  bits included in the upgraded driver are:   3/32 Hex, 6L-10 (6-Lobe style), 6L-15  (6-Lobe style), .027 x .135 Slotted, .035 x .150 Slotted, .035 x .215 Slotted,  .040 x .240 Slotted, and #2 Phillips Long.