You are here: Home>Equipment And Machinery>Plane Tester Plane tester Plane tester Productrange:Ceramics, graphite, stainless steel, alloy,silicon carbide Eligibility criteria:the flatness with 3 light bands including wooden,sodium lamps, plane optical flat and light band compare chart. OD of plane optical flat:60mm /80mm/ 100mm/150mm /260mm Previous: polishing machine