Now you can lift heavy or awkward items with much less effort The Forearm Forklift is designed to encourage proper lifting techniques and prevent painful back injury. Straps are adjustable up to 48in. in length and rated for items weighing up to 700 lbs. Move appliances, furniture, mattresses and oversize boxes quicker, safer and easier. Overall length of straps is 9 ft. 4 in. Strap Length in. 4, Capacity lbs. 700, Strap Length ft. 9, Application Forearm forklift, Length in. 48, Straps qty. 2.