This PCB is for the 20 amp Naos Raptor DC/DC power module and is fitted for a Hammond 1590g/ 1591a enclosure or larger. It measures 94mm by 44mm. This board is designed based on suggestions made by the box modding community worldwide. This PCB was made for you. 
Select your choice the enclosure, 200 ohm potentiometer, voltmeter and fire button. The part list includes a recommendation of a tactile switch. You also have the option to purchase the PCB with SMD parts populated (i.e. the small components). Delivery of SMD populated boards may take 1-2 days longer.