Retractable Stacking Banana Plug Cable - Red 0.5 meter long : ID 5471 : $4.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Livewire Elite 12g Speaker Cable Banana to 1/4" Male 50 ft. Black | Guitar Center
2) 2mm Banana Plug to 4mm Banana Plug Cables, 100cm
Hosa 1/4 in TS to Dual Banana - Speaker Adapter | Hosa Cables
1Pair Double End 4mm Male Banana Plug Soft Silicone Test Cable Connector Multimeter Test Lead Red + Blcak#|test leads|4mm test leadbanana leads - AliExpress