Maximum Withstand Voltage: 105 600 VOLTS MAX. Insulating Sleeve Material: Nylon Tip Material: Brass Material: Plastic + Metal, Corresponding Color Specifications: 22-18 AWG: 10 AMP, 16-14 AWG: 15 AMP, 12 AWG: 24 AMP. Versatile: Connectors are widely used for wiring in automobiles, motorcycles, and home wiring projects. EASY, CONVENIENT, AND SAFE TO USE: Quick splicing and fast wiring without stripping or soldering. Simply plug in the wire and clamp it with pliers, and you will make a reliable and secure connection, very fast and lightweight. Safe insulation stamping design, reliable and firm two-pin locking connection, not loose appearance, lightweight and beautiful, insulation, high voltage resistance. Comes with a storage box: The wire splice kit includes different colors for quick identification and selection. Safe insulation design: Easy to use quick splice connectors, top snaps maintain good insulation against leakage, T-connectors prevent slippage.Good quality product