Are you looking for a professional, yet butt splice connector set? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? , ! Our butt splice connector set must meet your needs. It is one of the for you. Features -Color:Assorted Color -Material: copper, nylon -Size:2.40X0.60X0.60cm/0.94X0.24X0.24in -Size:2.50X0.80X0.80cm/0.98X0.31X0.31in -Size:2.40X0.65X0.65cm/0.94X0.26X0.26in Specifications: 22-16AWG (red crimp connector), 16-14AWG (blue crimp connector), 12-10AWG (yellow crimp connector) Wire range: 0.5-1.5, 1.5-2.5, 4-6 square millimeter Maximum = 19A, , 45A Operating temperature: - centigrade ~ 75 degree centigrade (14 fahrenheit scale ~ 167 fahrenheit scale) - Horn Insulation: Insulated butt connector's horn for easy cable insertion. - Insulated crimp terminal butt connectors are perfect for automotive use, home applications and temporary projects. - Strip the wire, then insert it into the connector. Crimp one side of the connector with professional crimping tool. Repeat on the other side. - Always provide convenience and the best connection between electrical and your life. - Excellent craft, carefully down to every detail to give it and beautiful look. Package list: 1 AWG22 Connectors AWG16 Connectors AWG12 Connectors