The hinged piston H is a fitting that allows wooden or aluminum frame casement doors to open and close smoothly. It is specifically designed for doors between 16 and 19 millimeters thick and a straight cup hinge with a 15-millimeter overlap. Its force is 6 kilograms and it has a travel of 100 millimeters. It can be installed on both the right and left sides, for doors of more than 450 millimeters, it is recommended to use two of these devices. It is ideal to cushion the fall of the doors of the kitchen, the bathroom, and the home in general, its manufacture is in steel and plastic with a metallic gray finish and its packaging presentation is of 200 units.