Topeak’s Nano TorqBox is a compact kit containing a magnetic TorqueSocket and bits. The TorqSocket is preset to 4 5 or 6Nm and it magnetically affixes to any 5mm Allen wrench. The included carry case neatly stores 1 preset TorqSocket and 5 of the most popular tool bits 3 4 5mm hex and T20 T25 Torxreg.