This is a complete kit of crimp-on male and female sets of spade connectors for use with 10 ga through 26 ga wire. They are used to provide power for automotive lighting, electronics, other uses. They include heat-shrink insulation to assure a positive connection. As you can see from the label, there are 55 pairs of red (26-16 ga), 55 pairs of blue (16-14 ga) and 25 pairs of Yellow (for size 12-10 ga wire). Connectors are all organized in a crystal clear divider box.
Note: This kit does not include a wire crimping tool or a heat gun, but most shops have these tools already and if not they caan be acquired on Amazon. Every shop needs a kit such as this.