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Your cart is empty.use for AS568 O-rings O-ring sizes: 001-050, 102-178, 201-279, 309-382, 425-455
Jake
Reviewed in the United States on March 3, 2025
Measures o rings nicely just don't stretch the o ring to far or you will get a misreading.
Ramon Torreiro Pan
Reviewed in the United States on March 15, 2024
Herramienta de Trabajo
mrjpav
Reviewed in the United States on July 31, 2023
Now i can have assurance I am reading the correct size. This tool will save me a load of angst!
Sam Engelhard
Reviewed in the United States on September 22, 2022
Can't recommend this tool highly enough. It is a must have if you work with O-rings
Frank Vassell
Reviewed in the United States on November 8, 2022
The gauge read two sizes smaller. The size for a 025 o' ring is shown on the chart as ID 29.87 mm . The vernier caliper measured ID as 33 mm which is for a 027 o' ring. O well, I guess I will have to estimate it up or I might consider returning the tool
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