Length: 75 mm Diameter: 16 mm Plate Size: 47 x 20 mm features: Pocket door piston buffer Ideal solution for extracting sliding door from a pocket Simply press on door edge and the piston will push door clear of opening at a maximum force of 85 N to make the door handle accessible The buffer requires only 25 mm of space in the pocket between door and wall The buffer plate is also magnetic so the door can be held open if a washer or small metal plate is fitted to wall in pocket The buffer stroke is 20 mm Steel