This WorkMo Module is equipped with 8 service case rails which can be used for four T-BOXXes or four metal cases 320 or resp. the equipped version the metal case 321. A combination of metal cases and T-BOXXes are also possible.
The service case rails have a locking function integrated, which prevents the BOXXes from slipping out uncontrollably. In order to remove the T-BOXX you have to slightly lift it, before withdrawal.