Hellermann Tyton ACP Coupler, Nickel Plated Brass
- Hellermann Tyton 166-50403, The Hellermann Tyton ACP-M16 166-50403 is a Hela Guard Coupler from the ACP range. The M32 internally threaded coupler has been manufactured from nickel plated brass, & can be used to convert from external to internal thread. Hellermann Tyton ACP Couplers ACP-M32 166-50403