Non-Certified Plastic Shims
Provide a quick operational check of the instrument by allowing the user to perform practice measurements
Can be used to protect the probe when measuring on tacky, rough or hot surfaces
Labeled in both Metric and Imperial units
Non-certified plastic shims
Available as a set of 5 (below):
Approximate Thickness | Color | Accuracy
25 μm (1 mil) | Orange | ± 20%
50 μm (2 mil) | Red | ± 10%
125 μm (5 mil) | Blue | ± 5%
250 μm (10 mil) | Brown | ± 5%
500 μm (20 mil) | Yellow | ± 5%
Note: While DeFelsko inspects non-certified plastic shims to ensure they are within the nominal stated accuracy, they are not traceable to any national or international standard.









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