If durability is what you need, the SG-10 SureGrip™ Series Hand Held 2x Power 3.5″ Scratch Resistant Magnifying Glass is what you’re looking for.
SureGrip™ Series Hand Held 2x Power 3.5'' Glass Magnifying Lens
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Lens - Cameras & photography
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Lens - Cameras & photography
Lens - Cameras & photography
Lens - Cameras & photography
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Lens - Cameras & photography