FeaturesBuilt for maximum strength and enduranceExpertly crafted from the highest grade materialsDesigned with great care and functionality in mindProduct Details16-14 to 12-10 AWG Step Down 3-To-1 Heat Shrink Butt Yellow Connectors (50-61441) by Seachoice®. Marine grade and designed for connecting different wire gauges. The gauge is marked on each end of the connector and also displays a corresponding color band. 99.9 % pure copper with seamless tube, tin plated. Proprietary nylon/polyolefin 3:1 shrink ratio tubing with adhesive lining provides maximum clarity for wire inspection purposes, faster shrink times and improved abrasion resistance. Simply insert the wire, crimp and heat shrink for a complete environmental seal.Boating is a great way to relieve stress and leave all your troubles on land. Enjoy your time out on the water even more with this top-notch marine product. Whether you're practicing your casts, exploring the amazing marine life with a snorkel, or just cruising on the open water for fun, you need to equip your vessel with the finest products to make sure nothing ruins your amazing recreational time. Our website can get you covered from bow to stern, because we know exactly what you need to make your boating a breeze. This product will be great for all outdoor enthusiasts who enjoy traffic-free travel and wind in their hair. Made with durable materials, it will ensure a long-lasting performance for many exciting adventures to come.