These swabs are great for cleaning eyepieces and other delicate items in tight areas. They are lint-free and worked well for me. The only drawback I might mention is that the heat-sealed plastic bag is not resealable and hence - once opened, the swabs are subject to external contamination. I immediately transferred them to a quart-sized plastic zip bag so that I can keep the unused swabs tightly sealed between uses. The swabs themselves are great.
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