An invaluable aid for testing, evaluating and conditioning individuals in work hardening and industrial rehab programs. Designed to simulate everyday work motions. By adding weights you can control the resistance and strengthening treatment for shoulders, backs, hips, thighs and calves. Anti-friction runners allow this unit to be used on a variety of surfaces. Specs: 18in. wide x 36in. long; Handle adjusts from 32in. to 44in. high; foam covered grips; 4 removable weight holders; capacity of 250 lbs.; chrome plated with natural finish. To use accessory box with sled, simply remove weight holders and insert box. Specs: 15in. wide x 30in. long x 6in. high with inside dimensions of 14in. x 22½in. with removable rubber mat.