KC ProAm 7CE TAMPER PROOF BIT SET 1/4" SHANK.
Small tamper proof set fits in most adaptors.
These are the units with "holes" in the shaft of the star drive end.
An absolute must for every toolkit.
Comes in rubber storage pouch.
Quality CRV construction.
Sizes T10, T15, T20, T25, T27, T30, T40.