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SPI Supplies® Brand Giant Linen Testers

Hand crafted, precision instrument


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The SPI Supplies Giant Linen Tester is completely collapsible, and can even be carried in a large pocket. It is our most popular product of this type and is used widely by collectors, quality inspectors and a broad range of different kinds of hobbyists. It is often times used in microscopy laboratories as an aid for finding areas of defects for later study.

Optical System:
The unit features a precision 2 inch (50.8mm) diameter glass double lens contained in a housing of precision machined steel, black anodized. Scales in both inches (0.125" divisions) and millimeters are etched on the inner face of the base.

Carrying case:
Each SPI linen tester comes with its own carrying case for protection.

Giant Linen Tester
Scale SizeMagnificationLensSPI #EachIn Stock
1.25" (31.75mm)4XDouble glass05508-AB *$18.75 Add to cartYes
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Saturday July 04, 2009
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