These Seachoice 3-to-1 Heat Shrink Insulated Disconnect terminals feature premium construction for the best results, and they reliably attach a quick-disconnect terminal to a wire with a complete environmental seal. These Disconnect Terminals can be connected to wires quickly and easily. Simply insert the wire, crimp the barrel, and heat-shrink it for an effective seal. A heat gun or even a hair dryer can be used as a heat source. These yellow Marine-Grade heat-shrinkable insulated Disconnect Terminals feature tin-plated 99.9% pure copper and a butted-seam barrel. The clear polyolefin tubing has a 3:1 shrink ratio and adhesive lining. It provides maximum clarity for wire inspection. These female Disconnect Terminals are for 12-10 wire range, and they come in a pack of 25. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable.