Foxnovo Solderless Connectors and T-Tap Wire Connector Assortment Kit-30pcs The connectors are used throughout the installation, control, measurement and control technology where a pluggable electrical branch connection is desired or required. Particularly in the automotive electrical, this means a decisive facilitate installation must cut no cable, strip or be re-routed. Simply insert insulated cables and squeeze clasp closure, by special blade contacts the stripping is unnecessary. This item is a pack of 30pcs wire connectors, which is made of durable fireproof nylon and copper. This kit includes three different sizes for choice, great for wire connection in various occassions.