The extruder version are listed from newest to oldest. Some extruders may have a different matching latch with its own number which will be included in the descriptions.
Version "8" extruder with "C" latch. C-Clip holds the hobbed bolt and gear in place. This is the most recent version.
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Version "8" extruder with "12" or "8" latch. C-Clip holds the hobbed bolt and gear in place. The latch can be replaced with "C".
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Version "5" extruder with "4" latch. 2 nuts hold the hobbed bolt and gear in place.
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Version "__" extruder with "__" latch. This is actually "1" which may or may not be visible. 2 nuts hold the hobbed bolt and gear in place.
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