4 Step UT block 0.25"-0.5"-0.75"-1" 1018 steel test block ,step Wedge Calibration Block conform to ASTM E797

4 Step UT block 0.25"-0.5"-0.75"-1" 1018 steel test block ,step Wedge Calibration Block conform to ASTM E797
sku: 4000989655298
$49.74
Shipping from: China
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