Proxxon 23080 36-Piece Precision Engineer's Set with 1/4" Ratchet.

Supplied in metal case.

Includes 4 - 13mm sockets, screwdriver bits with square drive for slotted, Phillips, TX (with frontal hole) and Allen sockets as well as 1.25 - 1.5 - 2.0 - 2.5 and 3mm angled Allen keys. 

The ratchet - the key item. Made from CrV steel in one single piece. Hardened and with perfect toothing: several of the 52 teeth engage simultaneously for transmitting extremely high torque. Quick release mechanism: releasing sockets at the push of the button.