Check the listing for details. Surface Grinding MICROINCH Comparator - Nickel- #16009. Condition: New. Listed at 134.00 USD. Model #: 16009MICROINCH™ COMPARATOR PLATESSURFACE ROUGHNESS (Texture) COMPARISON STANDARDS MADE OF SOLID ELECTROFORMED NICKELThe LARGEST VARIETY OF STANDARDS available for assessing and specifying, by Symbol, the DEGREE OF ROUGHNESS of machined parts - including every machining method known.EVERY OBTAINABLE VALUE17 DIFFERENT SETS AVAILABLEEach value size is 16mm x 25mm (or 5/8" x 1").Overall dimensions of each plate 25mm x 128mm (or 2-1/16" x 5").Light in weight - can be carried in pocket. Supplied in Plastic Wallet.Model No. 16009, Surface Grinding ComparatorMaching Method: Surface GrindingNo. of Specimens: 8Range Ra µm: .025-3.2Range AA µ": 1, 2, 4, 8, 16, 32, 63, 125N Numbers: 1-8Manufactured to ANSI-B-46.1-1985Each set is supplied in rugged vinyl case which contains a durable instruction card with valuable information in easily understood language. This enables the user to obtain best results when assessing roughness or finish by sight and touch.All 18 plates conform to S.A.E. and Mil specs. Download our Catalog Online! Froo www.froo.com | Froo Cross Sell, Free Cross Sell, Cross promote, eBay Marketing, eBay listing Apps, eBay Apps, eBay Application