GB's exclusive WingGard(TM) line of wire connectors leads the industry in quality and durability. The WingGard(TM) 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(TM) is colored for easy identification.