The PR5MEC00 DIN Rail Mounting Kit includes a low-carbon steel adapter measuring 2.57" x 1.74" x 0.06" and two Phillips head screws. It allows you to easily mount various Teltonika devices onto 1.4-inch DIN rails within control cabinets and equipment enclosures. Compatible models include the RUT241, RUT951, RUT956, RUTM50, RUTX11, TSW100, TSW110, TSW200, and TSW210.