Silver Aluminium Alloy Under Desk Mounting Adjustable Grip with Protective Silicone Pads Suitable for Panel 3mm up to 16mm Countertop Thickness 25mm Divider Material Available: Custom Printed Glass, Aluminium Composite Panel & Acoustic Polyfibre sheeting & Perspex Reccommended spacing of 700mm Centre to Centre between each Clamp Sold as Single Units Maximum Panel Height: 500mm. After comparing online prices, www.marvel.co.za should be the cheapest on this product.