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. Strip wire insulation, crimp connector barrel with a wire . Feature - Color: As Shown. - Material: Plastic and metal - Size: 22 x 3.8cm. - Various Connectors - Package comes with 360 insulated terminals and connectors in the most commonly used sizes. - Used For Electrical handy assortment of terminals and connectors included for quick electrical repairs. - A Complete Set - Comes with all you need to make solder less electrical repairs around the home, shop or outside. - Wide Use: 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. - Warm Tip: Dear buyer, Due to lighting effect,monitor’s brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you! Package list: Ring (25pcs Red + 25pcs Blue) Ring M5 (25pcs Red + 25pcs Blue) Ring (25pcs Red + 25pcs Blue) Male (25pcs Red + 25pcs Blue) Female (25pcs Red + 25pcs Blue) Spade 250 Male (25pcs Red + 25pcs Blue) Spade 250 Female (25pcs Red + 25pcs Blue) Spade 250 Female (Fully Insulated) (25pcs Red + 25pcs Blue) Butt Splice (25pcs Red + 25pcs Blue)