1+ Treadplate  
2+ Treadplate  
3+ Treadplate insert  
5+ Magnetic strip  
6+ Magnetic strip  
7+ Paint clearing screw  
8+ Treadplate endcap  
9+ Treadplate endcap  

The part numbers in the assembly image below relate to the product number in the table. Clicking on the part number will open up the relevant part details.