2 in 1 Convertible Design: Our 2 in 1 convertible hand truck adapts to different cargo sizes and height requirements. Switch between four-wheel and two-wheel configurations effortlessly in seconds. Hand Truck Two-Wheel Mode Size: 16.34"L x 9.45"W x 43.7"H; Platform Truck Four-Wheel Mode Size: 43.7"L x 16.34"W x 36.6"H. It effortlessly carries up to 600 pounds in four-wheel mode or 200 pounds in two-wheel mode, ensuring easy transportation. And all aluminum hand truck has pre-assembled when you received. Adjustable Handle & Expandable Base: This foldable hand truck comes with a convenient feature an expandable loading base surface that can handle larger items with ease, the base can be expanded from 39.04 to 43.7