Features PREMIUM PRODUCTION - Made with advanced CNC process technology, these banana connectors have high precision and stable performance. GOLD PLATED BRASS SURFACE - The surface of the brass material is gold plated, which effectively plays the role of anti-corrosion, anti-oxidation and resistance to pulling and plugging. It has good electrical conductivity, safe and stable continuous discharge, and ensures the working stability. Wide Application These battery connector plugs are widely used in drones, RC models, electric vehicles and other situations. 30PCS: There are 30 pieces of 4mm plugs in the package to meet your needs, enough for long-term use or to make replacements. ABS Shell: Made of ABS material, these cases are impact resistant and scratch resistant, which gives the sockets a long service life. Specification: Item Type:Banana Plug Plugs Material: Brass, ABS Package List: 30 x Shell 30 x Plug 30 x Sockets Package List 30 x Shell 30 x Plug 30 x Socket