Some time back someone asked about a titanium line slide in 8 mm and at the time there were only 7 mm available. I don't know who makes them, but here they are.
In and out bore holes look the same size, so no hydro damper, but to be sure you need a photo looking through one from the rear end to see if there is an internal step.
SPEAR GUIDE from TITAN for spearfishing titanium line slider for 7-8 mm spear | eBay
Titanium underwater hunting spearfishing rifle spear slider suitable for 7 mm, 7.5 mm, 8 mm underwater weapons spears. ideal for pneumatic spear gun shafts. We also have a high-standard team, qualified by authorized organizations to ensure products are of the highest quality.
www.ebay.com.au
In and out bore holes look the same size, so no hydro damper, but to be sure you need a photo looking through one from the rear end to see if there is an internal step.
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