HKATOPS Stackable Plugs Set,10 Pairs 4mm Banana Plug Black and Red Stackable Solderless Plug Connectors

["Red-Black Open Screw Design, Solderless Quick Installation No complex welding required; open screw structure allows direct wire fixing. Red-black color coding clearly distinguishes positive and negative poles, plug-and-play for significantly improved wiring efficiency.","Stackable Connection, Flexible Range Extension Supports multi-plug stacking in series; meeting multi-device wiring or long-line layout needs with strong adaptability.","Size: 10 pairs - total length only 40mm, plug diameter 5mm; exquisite compact design saves installation space ideal for small device scenarios.","Detailed Adaptation to Needs Plug length 16.5mm, threading socket length 10.5mm, 4mm threading hole diameter compatible with most regular wires. 5mm plug diameter ensures stable connection.","Widely Applicable to Electronics/DIY Scenarios Designed specifically for electronic device wiring, DIY circuits, and small instrument connections."]