COMPARISON CHART SERIE LIGHT DUTY MEDIUM DUTY HEAVY DUTY APPLICATION SHIPPING ONLY SHIPPING & RACKING REUSABLE PRODUCT LINE MAXIMUM WEIGHT 10000 10000 10000 12000 15000 RACKING WEIGHT NA NA 1000 1500 2000 ACCES 4 4 2 4 4 UNIT WEIGHT 12 16 16 18 22