The Sugatsune NSDX-10 adjustable soft-down flap stay is designed for downward-opening flap doors with piano, butt or drop hinges. Features include a speed adjustment screw to regulate the soft-down action, optional face frame bracket (SUFFCB SD 1) and a nickel finish. The design ensures that the flap will be held in place when in the closed position and holds the flap open to 90º. Comes either left or right handed and can be used individually or in pairs. Torque pounds per inch: single piece = 10-60 lbs-inch, per pair 38-120 lbs-inch.