Parts list: № Number Qty Name Options 1 BSA648 1 Grass Mulching Attachment 2 SAA12647 1 Knife 3 SAA11788 1 Bolt 4 SA37412 1 Plug Next page: ST401505 MULCH SYSTEM CONVERSION KIT - SA575 PICT-025.1 25 CUTTING WIDTH 40CM EDP-NO.SA575 AND BSA648