Special Features : Top Clamp can be install as Vertical (Divider) or Horizontal (Barrier) Direction. Clamps Size: Top Clamp 0.19inch / 5mm - 0.78inch / 20mm (Glass, Acrylic), Bottom Clamp 0.19inch/ 5mm - 1.57 inch / 40mm (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. Type: Screen Partition Clip colour:Silver / Black Material:Aluminum alloy size:Total length 180mm Package Contents: 2 x Screen Partition Clips Only the above package content, other products are not included. Note: Light shooting 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.