Same as the Heyco S6410 Sunbundler 10" long Sunbundler Smooth vinyl jacketing prevents damage to installation cable insulation. Easy field installation using standard pliers or wire cutters to both crimp the sleeve and cut the excess wire. Certified by UL Specification 62275 for indoor and outdoor usage for Type 2 & 2S classifications. UV protected vinyl jacket is excellent for solar installation where product durability is required. Not for use in a marine salt water environment. Contact Heyco for alternative materials. DFARS Compliant.