Check the listing for details. FLEXBAR SURFACE FINISH COMPARATOR- PLASTIC - #16007. Condition: New. Listed at 10.50 USD. SURFACE FINISH COMPARATORSFor Engineers, Inspectors, Purchasing AgentsHANDY, INEXPENSIVE, USE AS A GIVE-AWAYFor Classes on Drafting, etc.ACCURATE - Exact Reproductions. Range: 16 to 500 Microinch Finish.CONVENIENT - Pocket Size (3 1/2" x 5"), Weight: 1 oz.Has handy "hang-up hole".VERSATILE - Specimens include Mill, End Mill, Grinding,Shape Turning, and Flame Cut.18 SPECIMENS:Machining Method....... Microinches (AA or Ra)Grinding: 16, 32, 63, 125 and 250End Milling: 63, 125, 250 and 500Milling: 63, 125, 250 and 500Shape Turning: 63, 125, 250 and 500Flame Cutting: 500Model No. 16007, Made of tough, scratch resistant ABS Unbreakable Plastic. Black Color. Complete with Plastic Wallet. 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