This 3.5mm Gold Plated Bullet Connector Male-Female Pair has the all-new design of the new 1 male head shape, increase the contact surface area, can resistant than regular 4.0mm banana plug more current. Features: Good conductivity, stability, temperature, continuous discharge. New tail wire slot, convenient welding line. Metal material: Copper. Applicable products: for the motor, electrical and other products. Specifications: Connector Type Bullet Connector Material Copper with Gold plated Diameter (mm) 4 Length (mm) 12 (both) Weight (gm) 5 Package Includes: 1 x 4mm Bullet Connector – Male Female Pair. *Product Images are shown for illustrative purposes only and may differ from actual product.