PRO-HB test probe holder. Holder for test probes and measuring adapters for PROFiTEST MASTER devices. The PRO-HB test probe holder is the ideal accessory for PROFiTEST MASTER devices. The PRO-HB test probe holder is used for practical storage of test probes and/or measuring adapters. Increased convenience thanks to practical holders. Safe storage of test probes and measuring adapters during measurement. The PRO-HB test probe holder is compatible with the test probes of the PROFiTEST MASTER devices, as well as with the adapters PRO-SCHUKO, PRO-RE, PRO-RE 2, PRO-RLO II, PRO-UNI II and PRO-CH.