The splice snap is insulative and can prevent short circuit, so the quick splicers can give good protection to the wire or cable and make sure that to use the wire in daily life. No more inconvenient wire stripping, splicing, twisting and taping. Even first-timers can skillfully connect wires with ease. Features - Color: Blue. - Material: PP, Copper. - Size: 3.20X2.00X0.80cm/1.26X0.79X0.31inch. - Voltage: 600V. - : 15A. - Cable Range: 14 through 18 gauge. - This quick splice wire connectors provides a quick, versatile and pre-insulated way of connecting additional cables to existing wires without striping wire. - The blue color electrical wire crimp connectors, cable joiner suits 18 through 14 gauge cables/wires. - This wire terminals are made of insulated and fire-retardant material, including PP housing, high purity tin plated copper. - Ensure your safe use of electricity and provide solid connecting and good insulation. - Easy to use quick splice connectors: Just insert the wire to this wire terminal and then squeeze the copper plate with a pair of pliers. Cover the wire to finish the connection. Package list: Wire Splice Connectors