Almost all RJ plugs can be crimped with these pliers:

         
  10 pin : (10P10C, 10P8C, 10C6P ...) RJ-48 for the special applications
8 pin (8P8C, 8P6C, 8P4C, 8P2C) RJ-45 e.g. patch, crossover and ISDN cables
6 pin (6P6C, 6P4C, 6P2C) RJ-11,12 e.g. telephone cable
4 pin (4P4C, 4P2C) RJ-10 e.g. cable from telephone to handset
          
- Professional tool for cutting and stripping cables,
- for pressing 6-pin, 8-pin and 10-pin Western plugs RJ11 RJ12 RJ45 and RJ48,
- precise crimping process through parallel crimping,
- Force amplification through lever transmission for fatigue-free work,
- with length cutter and stripping knife (stripping function)
Handles with two-color multi-component handle covers,
- High-quality professional tool (patented), solid construction
- designed for constant use,
- Interchangeable cutting blades