Check the listing for details. Individual Hardness Testing File - Light Green- #18750-LG. Condition: New. Listed at 25.00 USD. Our Products: Inspection & Measurement > Hardness Testers and AccessoriesSKU: 18750-LGFLEXBAR HARDNESS TESTING FILESEasy To Use, Portable Rockwell Hardness Testing System- For Use In All Metalworking Facilities.*Files Can Now Be Ordered Individually*Flexbar introduces a unique specially shaped file each with a non-slip grip, color-coded handle. The Rockwell value is printed on the handle.Flexbar precision testing files have specially curved tips which can reach into internal slots, grooves and bores which cannot otherwise be tested using conventional types of fixed or portable hardness testers.They can be taken to out-of-factory sites to test for hardness on large structures or segments of machinery. For example large surface-hardened gears, large printing cylinders or weld zones of heat affected pipe lines which cannot be moved to a stationary tester.Model No. 18750-LG, Individual Hardness Testing File, Light GreenNominal: HRC50Actual Hardness: HRC50-52, V8 513-544Price: $21.00