10mm-17mm Butterfly Screw Socket Wrench

1.Easy to Use Just insert it into an electric screwdriver and let the wing nut/blinds install without worrying about sprains of your thumbs by using other hardware tools, saving wear and tear on your fingers.
2.Safe and efficient: quick to put on, just twist the wing nut with a drill.
3.High quality material: made of CR-V steel + nickel plating, with high strength, abrasion resistance, very durable and long service life, safe and efficient.