Dual 4mm Banana Plugs Couple Terminals Plug Jack Socket Binding Post Red Black Connector Amplifier Speaker DIY Connectors Features: one hundred pc fresh and fantastic Convenient and dependable Material: copper iron and Plastic Cover Plastic handle color: red and black kind A: one hundred pc fresh and fine Convenient and dependable Material: copper iron and Plastic Cover Plastic handle color: pink and black sort B: gold alloy for spindle alloy, iron plated, Color coded plastic insulation jacket, for simpler recognition Screws locking No Soldering It is 3mm perpendicular to the crimping gap of the terminal ? The diameter of the 2 holes within the panel is 13mm, and the gap between the two holes is 19mm Full size 45mm, screw shaft diameter: 5 mm, pitch 19 mm Can be mounted on panels as much as 6mm thick One in line with channel, good quality, beautiful appearance, cost-effective, very suitable for DIY amplifier chassis Packing: for want 1pcs Banana Plug 2pcs Banana Plug 5pcs Banana Plug