Atdec Systema Spring Assisted Arm With Notebook Head 3.9 Post Desk Mount SNS10S Accessory Type: Desk Mount Maximum support size: Support up to 18-inch Laptop Specifications: Desk mounting type: Bolt through, Desk clamp Material: Steel, Aluminum and Plastic Compatibility Minimum supported weight: 3.30 lbs. Maximum supported weight: 17.60 lbs. Maximum supported notebook size: 18 Upgradable to multi-screen: Yes Maximum desk thickness allowed: 2.55 Range of movement Tilt adjustment: 50° of downwards tilt Pan adjustment: 90° left and 90° right Installation Mounting hardware included: Yes Cable management: Advanced cable management Consist of 1 x SP10S post, 1 x SSS display arm and 1 x SNTB notebook holder.