Parts list: № Number Qty Name Options 1 A31870 4 Lock Nut 2 24M7242 8 Washer 21.400 X 42 X 5 MM 3 AT77828 1 COUNTERWEIGHT CONVENIENCE ASSEMBLY 4 19M8388 4 Cap Screw M20 X 330 Next page: 1749-2 AUXILIARY COUNTERWEIGHT (AIR TRANSPORTABLE) [01I05] 1749-3 AUXILIARY COUNTERWEIGHT (NON-AIR TRANSPORTABLE) [01I06]