Banana Plug Short 4mm Female -Black Color

From the shop's description

Banana Plug Short 4mm Female -Black Color is a high-quality electronic component designed for Arduino, prototyping, and educational electronics. Type : Female Binding Post to Suit Standard Banana Plugs Designed for Panel Mounting Solder or Quick Connect Rear Connection Solid hard plastic shell Easy installation with screws locking Easy fit for wire size up to 4mm – Suitable for our Male banana plug It’s perfect for DIY makers, students, and anyone building custom electronic circuits or STEM kits.