Reddit reviews TTC 630-9900 30 Speciman Inch/Metric Surface Roughness Comparator
We found 1 Reddit comments about TTC 630-9900 30 Speciman Inch/Metric Surface Roughness Comparator. Here are the top ones, ranked by their Reddit score.
Range of 2 to 500µ" and 0.05 to 12.5µm.
Not too bad
https://www.amazon.com/TTC-Surface-Roughness-Comparator/dp/B0057PP1HK/ref=zg_bs_401601011_10/137-9450167-6861061?_encoding=UTF8&psc=1&refRID=DSVVGVVJZHTT2XYMPBZJ