The Gardner Bender Electrical Wireguard Wire Connectors are color-coded for easy size selection, and make quick and secure connections for positive continuity. The tough thermoplastic shell shields your connections from all types of weather. Gardner Bender is an industry-leading manufacturer of professional electrician?s tools and supplies. Since the beginning, our goal has been to exceed customer expectations by offering an unmatched combination of service, delivery and product. With that goal in mind, our commitment continues with the introduction of innovative products, product line expansion and capability expansions.