The Cable Gauge is a simple to use TDR for cable length measurement and fault location
For PABX technicians, internal systems, and telephone exchanges, you can't go past the CZ20025.
Contractor grade buttset - the original reliable starter for so many people
Loaded with features, the CZ20018 is a great contractor buttset
The famous Aegis F set circuit tracer with cable tracing, pair ID, continuity, polarity, and 240V protection