Specifications: Elevate the height of your MacBook, laptop or monitors with this laptop stand. This helps to align your laptop with an external display or with your iMac. It also fits laptops from other manufacturers with screen sizes between 11 and 15 inches. Height adjustable stem raises the top of the platform from 4.6 inches to 6.5 inches. This stand can hold up to 30 lbs. The large solid base adds stability to the unit regardless of the height you choose to set it at.