-1"-6" adjustable range for railings of different thicknesses-3-level height adjustment (29"/31"/33") matches different chairs (not included)-Adjust the bottom metal piece to keep the table parallel to the ground-Prevent the tabletop from tilting with functional fixing clips-HIPS tabletop for weather resistance and sun protection-The sturdy metal frame is rustproof for additional outdoor durability-Folding design for space-saving-Suitable for balcony patio and other limited places-Make the items within reach thanks to its wide tabletop-No need for any tools for simple and quick assembly-Please check product dimension before purchasing Installation guideâ- Match 1"-6" Railing - By adjusting the screw knobs at the top this outdoor hanging folding table is suitable for a railing of 1"-6". Therefore you can hang it on the wall square railing or round railing with ease.â- 3-level Height Adjustment - This patio railing table features 3-level adjustable height (29"/31"/33") as well which is