reversible, 22 teeth, with steel handle and inside hexagon, 1/4",
DIN 3126/ISO 1173 D 6.3 for Bits Screwdriver sockets 1/4".
Internal hex drive with a collar-thrust spring.
Bits are easy to insert, lock securely in position and can be removed just as easily; even hex bits with a wide groove (Type E, DIN 3126/ISO 1173).
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