Ideal for improving strength and endurance of the shoulders, elbows, wrists and hand, and fine motor coordination. Cut-out front allows bilateral work that duplicates a hidden, confined work area. Compact design allows positioning at various heights while sitting, standing or lying. Heavy-duty black plastic, 19" x 15" x 6" (48 x 38 x 15 cm) bench has 11 rows of 7 different styles of nuts, bolts, washers and screws. Attached rack keeps tools organized—includes 6" (15cm) and 8" (20cm) adjustable wrenches, two screwdrivers and four hex keys. A tool box for the hardware is included. Built-in side handles for easy transporting. Light assembly required.