Choose this adaptable 3M™ Scotchlok™ Heat Shrink Butt Connector and easily note the wire size required via the handy blue color-coding. It has a seamless, transparent barrel thats easy to work with, saving you time and headache during installations. When shrunk down and properly crimped, this tubing provides excellent strain relief and pullout strength. It is also pre-insulated and provides great resistance to salt, water and various other contaminants. It is UL Listed, CSA Certified and RoHS 2011/65/EU Compliant.