1、The design of this wire connector helps you insert the wire in the correct position to ensure the crimping effect 2、The butt connector is made of good-quality brass and PVC material, and is tin-plated 3、This intermediate fully insulated heat shrinkable connector (BV) is ideal for fast and safe connection of cables and wires 4、High-frequency operating frequency, applied to cables, possess high efficiency, time-saving and labor-saving 5、Using cold pressing production process, support fire/flame retardant, very durable Item Type: Wire Connector Material: Brass + PVC + tinplate Working Frequency: High frequency Application Range: Cable Shape: Bar type Production Process: Cold pressing Features: Fire retardant/flame retardant Contact Material: Brass tin plated Insulator Material: PVC Product Specifications: 40Pcs red wire connector + 50pcs blue wire connector + 10pcs yellow wire connector 40Pcs Red Wire Connector BV1: Color: Red Maximum Current: 19A Connector Size: 0.5-1.5mm²/22-16AWG cable Length: Approx. 2.5cm / 1in(each) 50Pcs Blue Wire Connector BV2: Color: Blue Maximum Current: 27A Connector Size: 0.5-1.5mm²/16-14AWG cable Length: Approx. 2.5cm / 1in(each) 10Pcs Yellow Wire Connector BV5: Color: Yellow Maximum Current: 48A Connector Size: 4-6mm²/12-10AWG cable 100 x Wire Connector(40pcs red + 50pcs blue + 10pcs yellow)