For transmission inner and outer side cover; top cover and trap door. When a bike is taken apart there are a lot of screws; nuts and bolts that need to be efficiently stored. This JIMS organizer stand take care of this tedious job with 100% efficiency with clearly marked silk screened hardware positions. Manufactured from 13-gauge aluminum/magnesium alloy sheet with the JIMS blue powder coated finish. Note: The complete 4-piece set (available as 906347) can be nested for efficient storage when not in use. Note: For individual organizer stands see 906431 top end; 906342 cam chest; 906343 primary; and 906344 transmission.