These Seachoice 3-to-1 Heat Shrink Ring Terminals feature premium construction for the best results, and they reliably attach a ring terminal to a wire with a complete environmental seal. These Ring Terminals can be connected to wires quickly and easily. Simply insert the wire, crimp the connector, and heat-shrink it for an effective seal. A heat gun or even a hair dryer can be used as a heat source. These blue Marine-Grade heat-shrinkable Ring Terminals feature tin-plated 99.9% pure copper and a brazed seam barrel. The proprietary nylon/polyolefin tubing has a 3:1 shrink ratio and adhesive lining. They provide maximum clarity for wire inspection and also deliver faster shrink times and improved abrasion resistance. These Ring Terminals are for 16-14 wire range, and they fit on a #10 stud. They come in a pack of 25 ring terminals. 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.