This binder is made of 0.3 inch (8 mm) thick steel, so it has excellent stability and durability. The main unit can withstand a maximum pressure of 2.2 lbs (1 t)/220.5 lbs (1,000 kg), making it an ideal equipment for organizing and binding documents. Considering the weight of the machine, the base of the machine is equipped with a non-slip foot pad, so you can rest assured when using it and protect your desk. Scope of use: Used to press flat paper products such as invoices, books, coins, stamps, photo albums, recipes, etc. You can also press cloth and laser. Product Specifications: Press Size: 12.0 x 8.7 inches (305 x 220 mm); Press Thickness: 5.9 inches (150 mm); Machine Weight: 30.9 lbs (14 kg).