90 mm short versionreversible80 teethwith steel handleinside hexagon 1/4"DIN 3126/ISO 1173 D 6.3for bit screwdriver sockets 1/4"internal hex drive with a collar-thrust springbits are easy to insert, lock securely in position and can be removed just as easilyfor use in confined spaces, re-engages after movement of 4.5°construction without screws prevents