Parts list: № Number Qty Name Options 1 SA504 1 Grass Mulching Attachment INCL KEYS 2, 3, 5, 6 2 SAU10292 1 Cover 3 SAA36605 1 Knife 4 SA30475 1 Flange 5 SAU10388 1 Bolt 6 SA36603 1 Plug Next page: ST401502 MULCH SYSTEM CONVERSION KIT - SA503 PICT-020.1 20 CUTTING WIDTH 36CM EDP-NO.SA503, SA504 AND BSA647 ST1001835 Mulch Conversion Kit - BSA647