AP Products Marshall Excelsior METL051 Serviceman's Friend Test Fitting - 1/8" MNPT sold2024 This USB to Serial converter

This USB to Serial converter allows you to connect an RS-232 serial device such as a modem to a USB port on your desktop or laptop

The elastic bands at the upper and lower ends are equipped with Velcro buckles that allow for easy adjustment of elasticity

The included installation kit and step-by-step instructions allow for a one-time application to the laptop screen

This kit is a must-have upgrade

Note: Be more careful with the positive and negative wires during cabling

AP Products Marshall Excelsior METL051 Serviceman's Friend Test Fitting - 1/8" MNPT sold2024 This USB to Serial converterAP Products Marshall Excelsior METL051 Serviceman's Friend Test Fitting 1 8" MNPT The Serviceman's Friend eliminates the hassle of carrying numerous bushing and fittings to each job site. It has three threads on one end with a hose barb and an 1 8" MNPT on the other end. A hose can easily be attached to either end and can be connected to a manometer or other flow meters to check line pressure on an appliance. Product Features Eliminates the hassle of