The M-HL-57-120-W/WW lighting fixture requires a 12mm connection pin to function properly. To ensure compatibility, a conversion to an 18mm pin is necessary. Our Connection Pin 18mm is of high quality and ensures a secure and reliable connection between the fixture and power source. It is built to withstand frequent use and eliminates the risk of disconnection or power interruptions. By using the Connection Pin 18mm, you can confidently enhance your lighting setup with the M-HL-57-120-W/WW for seamless performance.