Platinum Tools T129K1 VDV MapMaster 2.0 Kit Network Cable Tester and Mapper that performs length measurements, continuity testing, mapping, and tone generation. The Platinum Tools T129K1 MapMaster can map up to 19 locations at once. Platinum Tools T129K1 has a 7-segment LCD display, automatic shut-off, and the ability to test and indicate split pairs, miswires, reversals, pins with shorts, and opens.