Spade crimp connectors model: 2.8mm 4.8mm 6.3mm Made of brass, copper, 0.25-0.8mm thickness, suitable for 22-14 gauge wire Comes with insulation sleeve kit , safe to use Storage in the transparent box for easy storage and carrying Crimp type is good for household appliances, car/boat speakers, audio systems audio and audio for battery or quick connect/disconnect rocker switch This is a male and female spade crimp terminal connector kit, 2.8mm / 4.8mm / 6.3 type mm, supplied with insulating sleeves. Crimp terminals are made of copper with good conductivity, good for wire connection. Specifications: Type 6.3mm Type: thickness: 0.4mm (male spade), 0.8mm (female spade), compatible wire: 0.75-2.5mm (AWG 18-14) Type 4.8mm Type: thickness: 0.35mm (male spade), 0.5mm (female spade), compatible wire: 0.75-2.5mm2 (AWG 18-14) Type 2.8mm Type: thickness: 0.25mm (male spade), 0.5mm (female spade), compatible wire: 0.5-1.5mm2 (AWG 22-16) Features: -May not open under normal stress or pull of wire. -Whole case designed to securely crimp solid wires or stranded wires -Suitable for termination in power cable (AWG 22-14) with equipment Electrical -Works well with machinery, car, home appliance repair, computer or other automatic equipment Package includes: 30pcs X 2.8mm Male Spade Crimp Terminal Connector 30pcs X 4.8mm Male Crimp Terminal Connector 30pcs X 6.3mm Male Crimp Terminal Connector 30pcs X 2.8mm Male Crimp Terminal Connector female Crimp terminal connector 30pcs X 4.8mm female Crimp terminal connector 30pcs X 6.3mm female 90pcs X insulating sleeve Color: silver