Robust Bit Check from Wera. Bit checks provide a quick overview of the tools available. Unneeded bits are simply returned to the assortment and won't get lost.
Easy to transport, e.g., in a shirt pocket. Includes a universal holder with a strong permanent magnet for bits with a 1/4" external hexagon drive.
For mounting in a screwdriver or for use in the chuck of an electric drill. The adjustable, multi-component Bit Check ensures a permanently secure bit fit.