Combination lifting box and push cart for work simulation, conditioning and evaluation. Features a strap, foam covered hand grips and hand slots for lifting. Cart promotes push/pull activities. Box is 13½ x 13½ x 12in.; cart is 17 x 14 x 4-3/4in. with 2in. casters; T handle adjusts 32-44in. high; removable weight holder with weight keeper; 10 lb. empty, 80 lb. capacity. Companion Sled: can be used alone or with work device. Straight handle adjust 36-48in. high; interchangeable box. Sled measures 16 x 13-5/8 x 6in.; anti-friction runners.