Quantity   Component name
1 × Barrel Jack https://www.adafruit.com/product/610
1 × SPST 1/0 Rocker Switch https://www.amazon.in/TPS-Mini-Switch-Electronic-Circuit/dp/B01I1DVIPS
10 × M5 Screw
6 × M5 Nuts Only if you're using a printed T-nut
1 × T-Nuts Metal T-nuts or printed T-nuts are both ok
1 × Wire Whatever wire you have