Part1
The contenders:
Fedus: https://www.amazon.in/dp/B09XBD522D
Anchor: https://www.amazon.in/dp/B00H7BI1BK
Nippo: https://www.amazon.in/dp/B0BW5VDLV9
Wipro: https://www.amazon.in/dp/B0B7X2625M
Fedus Extension Board
Out of these four, this is the highest-priced, but this isn't...