Heavy Duty Materials: 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. Dimension: Clamp: (1.65 x 1.3 x 2.36)inch / (42 x 33 x 60)mm, 2.7oz/75g; Freestanding Base: (7.87 x 1.97 x 0.24)inch / (200 x 50 x 6)mm - 6.1oz/172g (Steady and strong Aluminum Panel with non-slip sticky mats on bottom). What You Received: Set of 2 Pack Desktop Support Clamp: 2Pcs clamp and 2Pcs Freestanding Base and 2Pcs 20mm and 2Pcs 25mm screws and 1Pcs screwdriver and 4Pcs clamp mat and 4Pcs fixed screws. 20mm and 25mm Screws make clamp for (0.079" to 0.59") / (2mm-15mm) thick Acrylic Panels, Plexiglass Shield. Simple Looking and 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. Material: Strong Aluminum Alloy. Size and Weight: Clamp: (1.65 x 1.3 x 2.36)inch / (42 x 33 x 60)mm and 2.7oz/75g.Freestanding Base: (7.87 x 1.97 x 0.24)inch / (200 x 50 x 6)mm and 6.1oz/172g Color: Original Sliver. Features: Heavy Duty Steady / Corrosion-resistant / Rust-proof / No Color-fading / Easy Installation. Package Contents:Set of 2 Pack. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.