Brass nickel plating process, anti- and anti-rust. Through skilled craftsmanship, a layer of nickel is plated on of product, which is smooth and burr-free, which can improve wear resistance of product . PBT flame retardant shell, high fireproof insulation, to use, . (Due to different light or display, the actual object may have color difference, but it not affect use) Reasonable combination of accessories and parts, simple and convenient disassembly and installation, sturdy and , more to use. Small size, widely applicable. Color: Red & Black Material: PBT+Brass Nickel Plated Package Contents: 2 * Terminals True with Screws Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.