This 30 piece set is made by Show Chrome and is designed to allow you to easily connect wires. Big Bike Parts understands the importance of proper wire connections when installing electrical components on your motorcycle. In an effort to help make this easy, they are now packaging connection kits to simplify this process. Their 30 piece T-Tap Wiring Set is for 22-18 gauge wire and includes 15 female insulated T-Tap connectors with 15 male insulated T-Tap connectors with heat shrink end wraps.