All terminals and connectors are constructed of copper, and are tin-plated to ensure maximum electrical conductivity after crimping. Insulation sleeve provides good dielectric strength and withstands the pressure of crimping. Feature - Color: as shown. - Material: Plastic and metal - Size: 21x11x3.3cm - Strip wire insulation, crimp connector barrel with a wire . - Package comes with insulated terminals and connectors in the most commonly used sizes. - A handy assortment of terminals and connectors included for quick electrical repairs. - Comes with all you need to make solder less electrical repairs around the home, shop or outside. - Butt, Ring, Spade, Quick disconnect are included in this multi application set. Electrical crimp connectors for household, vehicle and more. Here you will find the right connectors for all your electrical wiring projects. Package list: 1 set of 200pcs Crimp Terminal Connector