1.Material: Aluminum Alloy + ABS Plastic 2.Type: Double Arm Laptop Stand + Double Arm Tablet PC Stand 3.Suitable for all laptops less than 10-15 inches, for all 7-10 inch tablet PCs. 4.Bear Max Weight: 7KG 5.Installation range: Desktop thickness within 42mm 6.Installation Ways: Desk Clamping or Grommet Mount