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Electronic Theatre Controls Inc

Source Four Iris/Gobo Slot Screws - Philips vs Thumbscrew

Issue

 I've seen Source Fours with thumbscrews instead of Philips to secure the gobo/iris slot cover. Why doesn't mine have them?

Solution

The Source Four comes standard with Philips screws. ETC can, however, supply knurled thumbscrews - the part number is HW2177.

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