[Size]: FRD/MPD1.25-156, [Package Included]: There are 100 pcs male and female electrical connectors of the same size in 5 colors, 50 pcs female wire connectors and 50 pcs male wire connectors in a transparent box with compartments. Enough to meet your different needs. [Material]: Crimp connectors are made of copper and insulated PVC with high tensile strength and stretch resistance. Automotive electrical connectors protect joints from water and corrosion for increased durability. [Easy to Use]: The electrical connector kit is fully insulated and protects electrical connections, more reliable than traditional crimp terminals. Insulated male and female bullet connectors are easy to connect with wires to enhance their reliability and safety. No soldering required, these bullet connectors are easy to use, even for beginners. [WIDE APPLICATION]: The electrical connector is suitable for most occasions, such as household appliances, audio speakers, automobiles and other wire connection projects. Insulated bullet terminals allow easy wire connection for increased reliability and safety. Blue, red, yellow, green and black are available in 5 colors, which help to distinguish crimp terminals of different specifications and make the wire look more neat and beautiful.