Product Type: wire crimp terminal block with insulating sleeve assortment kit The terminal block are made of brass and the insulating sleeves are made of plastic, high conductivity, anti-oxidation, durable enough for your use Easy Using: You just need to connect the male and female terminals at both ends, and then the male and female terminals docked to complete the wiring easily Application: These spade terminal can be widely used to home appliances, auto, audio system for battery or rocker switch quick connecting/disconnecting size:2.8mm Type Compatible Wire: 0.5-1.5mm² (AWG 22-16); 4.8mm Type Compatible Wire: 0.75-2.5mm² (AWG 18-14); 6.3mm Type Compatible Wire: 0.75-2.5mm² (AWG 18-14). Material:Brass + plastic colour:Silver<br><br>Package Contents: 50 * Female terminals 50 * Male terminals 100 * insulating sleeve Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.