These wiring caps are ideal compatible with both indoor and outdoor applications, offering protection against environmental factors. Suitable compatible with automotive, residential, and commercial wiring projects, they provide a reliable solution compatible with various electrical needs.Features-Color:White-Material:PVC, aluminum alloy-Size:2.50X1.10X1.10cm/0.98X0.43X0.43in-Size:1.98X0.80X0.80cm/0.78X0.31X0.31in-Size:1.80X0.60X0.60cm/0.71X0.24X0.24in-Note: Applicable to 2pcs 1 mm2 wires(CE-1), Applicable to 2pcs 1.5 mm2 wires(CE-2), Applicable to 2pcs 2.5 mm2 wires(CE-5)-Efficient wiring solution: simplify the wiring process, making it faster and more efficient, which is ideal compatible with reducing project completion times and increasing productivity-Fireresistant construction: built with flameretardant materials, these connectors enhance safety by reducing the likelihood of fire incidents, safeguarding your property-Multipurpose use: ideal compatible with connecting various types of lighting and electrical devices, these connectors are suitable compatible with a wide range of applications in different environments- percompatible withmance: the aluminum wire connectors offer excellent percompatible withmance, ensuring a stable and that withstands the test of time-Secure and stable: the plastic crimp caps are designed to hold wires firmly in place, preventing disconnections and ensuring a reliablePackage list: 390 x CE-1 crimp cap connectors270 x CE-2 crimp cap connectors90 x CE-5 crimp cap connectors