HOW TO CHOOSE SIZE: It is recommendedto match the depth of the partition with the length of the support to ensure capacity.maximum load.Extending the depth of the bulkhead will increase the torque of the support arm.andAgrave;As torque increases, capacity increases.load decreases (lever principle).Models include foldable 200mm tablet supports maximum is 330 lbs / 150 kg To increase capacity.As the load increases, you can increase the number of supports between staves.SPACE SAVING: The foldable tablet stand requires only one mounting surface and takes up very little space.You can use them to extend the workbench from garage, laundry room, kitchen, garage, boat, reception, backyard, RV,grill, trailer, bedroom, balcony, bathroom, etc.Fold it up when not in use.Saves most space.Easy to useinstall: even if you are not good at DIY, it is easy to install.install.The package includes the appropriate mounting accessories, stainless steel screws and screws.and expansion tubes.You just need to make sure that the two supports are parallel to each other and perpendicular to the wall.ROBUST AND DURABLE: Mademade of stainless steelwith good resistance tocorrosion andrust.No coating, no painting, easy to clean.Clean, wire drawing process, can prevent daily scratches and keep bright as new. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.