These photos show approximately the last 30 mm of a 77 mm-long spike. Parts were photographed
at a fixed angle and position using a jig to hold the spikes in the same position and orientation.
This means that when you can see the tip of a spike, that spike was physically shorter than the others.
| None | Naked | Open | Funnel | Noz Wide |
Noz Sharp |
Surround |
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| Open | |
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| Funnel | |
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| Noz Wide | |
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| Noz Sharp | |
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| Surround | |
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