Special Features : Top Clamp can be install as Vertical (Divider) or Horizontal (Barrier) Direction. Clamps Size: Top Clamp 1/8 inch - 3/8 inch (Glass, Acrylic. Acrylic recommended Height: 30 inches or less ), Bottom Clamp 1/2 inch - 2 inch (Closely Fit, Tabletop or Desktop). MATERIAL: construction Corrosion-resistant, rustless. ensuring quality and longevity.These brackets have Bead Blasted Finish that look awesome and will not rust. APPLICATION: Top Clamp - fix wooden , glass or acrylic. Bottom Clamp - attach to Tabletop or Desktop. Specifications: Type: Screen Partition Clip Colour: silver Material: alloy Size(HxT): About 127x51mm/5X2.01inch Clamp Range: About 32-40mm/1.26x1.57inch Package Contents: 3 x Screen Partition Clip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.