Gardner Bender Wire Connectors are engineered to exceed the expectations of professional electricians. Perfect for commercial or residential applications GB Wire Connectors offer world-class quality, performance and application versatility. GB's exclusive WingGard line of wire connectors leads the industry in quality and durability. The WingGard features a high leverage, easy-on wing-type design. The wings are knurled for a sure grip and offset for greater twisting leverage. The square-wire plated spring instantly adjusts to the shape and size of the splice. The entire line of WingGard is colored for easy identification.