Heavy Duty & Suit for: The Support Clamp is made of Strong Aluminum Alloy, secure compact construction design with Corrosion-resistant and Rust-proof, Steady and Durable for long last. The Partition clamps are designed to install on divide board, Extend the partition height. Thick range: (0.08"-0.95") / (0.2cm-2.4cm). Dimension: Bracket Clamp: (2*2.8*4.3)inch / (51*70*112)mm; Steady and strong, there are two non-slip rubber mats on board contacting surface for more stable and no board-damged clamp. What You Received: Set of 2 Pack Assembled Partition Divider Board Support Clamp: 2Pcs clamp + 2Pcs clamp Base + 2Pcs 20mm and 2Pcs 25mm screws + 1Pcs screwdriver + 4Pcs shield clamp mat. 2 type of screws (20mm & 25mm) make clamp easy for thick Acrylic Panels, Plexiglass Shield. Please note that your board are strong enough for some thick Shield. Simple Looking & Easy To Apply: These Support clamp have been Bead Blasted Finish, awesome looking without color fading worries. Easy to apply, come with a screwdrive for convenient Install. Lifetime Warranty: Aims for you satisfaction. Any questions & problems, please feel free to contact us for solutions. Sincerely Service for you.