No wire-stripping required, the electrical connectors are innovative clasp connection design, eliminating the trouble of stripping, hinging and welding. You just need to snap into these connectors, very easy to use. Features -Color:Multi -Material: Polycarbonate, brass. -Size: About 3.00X2.00X0.70cm/1.18X0.79X0.28in. - 12 pieces of 2 pin wire connectors, you can use these kit to arrange the electric wires you need together - Equipped with 1 transparent plastic storage box for picking and storing. - Made of quality material which is and high precision, water-resistant, and fireproof, free from electric shocking , using electricity more safely. - No wire-stripping required, the electrical connectors are innovative clasp connection design, eliminating the trouble of stripping, hinging and welding. - Slightly heat resistant, fireproof, and electric shocks, can be used repeatedly. Package list: 12 connectors 1 x plastic transparent box