Transport, stack and lift plastic containers to raised heights up to 47-1/4 inches with the rugged Adjustable Box Stackers. All models are compact and light weight. The lifts are raised by a foot pump and lowered by a lowering lever located near the driving handle. Both fork width and box clamps are adjustable to fit different size boxes and containers. All box clamps are rubber coated for extra grip. Specs: Fork Length 19 1/2", 380 Lbs. Capactiy, Service Range 2 3/4" to 42 1/4".