11x10 adressable LED Grid

[er_name_not_found]

Those are Insulated Fork Spade U-Type Wire Connectors.

Yes you will need a basic set of stripper / crimpers to use them.

You can usually find all this in a kit from a big box store or your favorite online retailer.

A pair of 9s would do in a pinch too.

[alto777]

Those look too big.

a7

[er_name_not_found]

Red handles 22 through to yellow which handles 12 I think.