FULL RANGE OF MODELS AND STRONG SUPPORT: Models include 200/250/300/350/400/450/490/540/590 mm folding tablet holders to accommodate different sizes! The maximum load capacity is 330 lbs / 150 kg. To increase the load capacity, you can add more holders between the brackets.SPACE SAVING: The folding tablet holder requires only one mounting surface and takes up very little space. You can use them to extend the workbench in the garage, laundry room, kitchen, garage, boat, reception area, backyard, RV, grill, trailer, bedroom, balcony, bathroom, etc. Folding it when not in use saves most of the space.Easy to install: Even if you're not good at DIY, it's easy to install. The package includes the appropriate mounting accessories, high-quality stainless steel screws, and expansion tubes. You just need to make sure that the two brackets are parallel to each other and perpendicular to the wall.