{"product_id":"b0fg1mnd6w","title":"30Pcs Surface Roughness Comparator， Ra 0.05-12.5 mm Carbon Steel Roughness Test Blocks for Lathe\/Machining\/Manufacturing Mechanical","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Roughness Reference Set：This 30-piece comparator set covers the entire Ra 0.05-12.5mm range, providing precise standards for evaluating and calibrating measuring instruments\u003c\/li\u003e\n\u003cli\u003eMulti-Process Applications：Designed for evaluating all common machining methods, including turning, horizontal\/vertical milling, and various grinding techniques, this kit is an essential tool for comprehensive surface quality assessment\u003c\/li\u003e\n\u003cli\u003eHigh-Quality Construction Ensures Precision：Made from high-quality 45# carbon steel and treated with anti-corrosion protection, these comparison blocks maintain precision even after years of industrial use\u003c\/li\u003e\n\u003cli\u003eProfessional and Educational Applications： As an essential tool for manufacturing quality control, it also serves as an excellent visual aid for mechanical engineering students studying surface roughness standards\u003c\/li\u003e\n\u003cli\u003eUser-Friendly Design： Samples are clearly labeled and arranged in logical order, enabling quick and reliable comparisons—whether through visual inspection or magnification tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"shop.3","offers":[{"title":"Default Title","offer_id":42346758963282,"sku":"B0FG1MND6W","price":164.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/9098\/4274\/files\/71QqJDP3f7L._SX522.jpg?v=1774263385","url":"https:\/\/provaultshop.com\/products\/b0fg1mnd6w","provider":"ProVault","version":"1.0","type":"link"}