APPROXIMATE SIZE】The dimensions are 4.5 x 3.5 x 6 cm with a rectangular base. With the set screw, the acrylic mesh can be clamped to thicknesses 0.5 to 2cm. However, it is recommended to use acrylic plates 3-5mm thick to make USAGE】This product can be used whenever a screen needs to be stood upright. It is convenient to use. In order to avoid punctures on flat surfaces, we specially provide professionally strong mounting bracket. Use these according to your situation. ACCESSORIES】 The package contains two BRACKETS, two fixing bolts, four silicone rubber gaskets and a mounting bracket. EXTRA TIPS】The screw is 2 cm. If you need to clamp a very thick screen or acrylic board, please replace it with a long screw of the same specification. The product is identical to the picture. Please use for clamping acrylic boards and tempered glass, as it cannot be applied to materials such as-thin glass. Purchase carefully for your accurate situation. Thank you! The office partition clamp bracket has soft rubber pads on the inside of the clamping part. It not only protects the panels from impact and abrasion, but also clamps the partitions more securely to prevent them from sliding.