LM317T•Positive  - Adjustable Voltage Regulator- RadioShack -HOn3 Shay MDC kits NEW

As described for the premier operation of the MDC Roundhouse HO & HOn3 Kits , i.e. Shays, is this 

Adjustable Voltage Regulator.

New in Package

Adjustable +1.2 to 37V

Limited to 1.5A