MaxGrip M3 Plug with straight blade. Tough nylon construction with crush/impact resistance that exceeds hospital grade and Fed Spec requirements; arc resistance exceeds UL requirements. Self-hinge swings wide open to make quick, easy work of light, clean connections. Insert conductors into terminals and tighten terminal screws; close hinge housing around cord and tighten housing screws. Enclosed terminals provide solid, internally-clamped connections. Molded finger grips promote safe, sure handling.