These Rennsteig tool sets are helpful for installers that use a variety of modules and need to work with several different connector types. The MC3/MC4/Tyco set comes with 3 die-sets and 3 pin locators for crimping MC Solarline 1 (MC3) and Solarline 2 (MC4) pins and Tyco SolarLok pins on 14, 12, and 10 AWG stranded wire. The MC4/H4/H&S set comes with die-sets and pin locators for Solarline 2 (MC4) and Helios (H4), and a die-set for crimping H&S (Radox) pins on 14, 12, 10 AWG stranded wire. Each set comes with a molded plastic carrying case. Separate crimping tools for H&S (Radox) and SMK, as well as individual die-sets and pin locators that can be used to expand the sets, are also available.