Parts list: № Number Qty Name Options 1 14M7400 4 Lock Nut M10 2 19M8751 4 Screw M10 X 16 Next page: ST979213 Instructional Seat, Non-Suspended, Attachment ST974866 Seat, Mechanically Suspended, W/ Armrest, W/O Weight Adjustment ST974800 Seat, Upper Part, Air Suspended, W/ Armrest, Manual Weight Adjustment ST974826 Seat, Air Suspended, W/ CommandARM™, Manual Weight Adjustment ST974842 Seat, Heavy Duty, Air Suspended, W/ Armrest, Automatic Weight Adjustment ST983294 Instructional Seat, Non-Suspended ST710972 Telescopic Backrest Extension, Attachment ST974797 Seat, Air Suspended, W/ Armrest, Manual Weight Adjustment ST974829 Seat, Upper Part, Air Suspended, W/ CommandARM™, Manual Weight Adjustment ST974869 Seat, Upper Part, Mechanically Suspended, W/ Armrest, W/O Weight Adjustment