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Your cart is empty.The Fowler Surface Roughness Standards Set has 30 specimens that are ideal for checking, identifying, and specifying the degree of roughness of machine parts. Each type of surface finish is accurately and consistently reproduced to give the operator a realistic idea of the feel, appearance, and texture of the machined components. Two methods for easy comparisons: loupe and/or scratch tests, are for understanding the feel of the finish. A very cost-effective method for checking as it saves time and reduces the production of scrap caused by poor finishes. This product has a 1-year warranty offered by Fowler High Precision. Fowler, an American company, manufactures inspection and measuring instruments such as electronic indicators, calipers, bore gages, and micrometers. The company, founded in 1946, is headquartered in Newton, MA.