International standard pallet or wood case. 1. one 20GP can load about 12-14 pieces 1.0m3 or 1.2m3 buckets for 20ton excavator(Width less than 42 inches ) 2. one 40HC can load about 26-28 pieces 1.0m3 or 1.2m3 buckets for 20ton excavator; 3. one 20GP can load about 8 pieces 1.6m3 buckets for 30ton excavator; 4. one 40HC can load about 16 pieces 1.6m3 buckets for 30ton excavator.