The Marrette Type II winged wire connector is design engineered for additional twisting power to meet the high quality expectations of the electrical professional. Accommodates a broader range of wire connection combinations Coated with 100% pure copper, which reduces the corrosion common to tin and zinc-coated products Finger friendly design offers a truer grip for less hand fatigue during repeated use Design engineered for additional twisting power to meet the high quality expectations of the electrical professional