2.5mm insulated female bullet connectors in blue, supplied in a convenient 20-pack. These crimp-style terminals feature a 2.5mm diameter pin opening, ideal for secure connections in automotive, marine, and industrial electrical applications. The blue insulation provides visual circuit identification while protecting against accidental contact. Constructed from quality copper with reliable crimping performance, these connectors ensure dependable connections in demanding environments. Essential for any professional electrician's toolkit.