This pocket-sized Surface Roughness Tester, Model 3800, is designed for measuring surface textures that conform to traceable standards. The unit operates on many surfaces, including flat, outer cylinder, outer cone, gro-oves and rec-esses. The Model 3800 is idea for shop floor quality control and inspection applications. To use the unit, simply place the device against the part to be measured.

The L.S. Starrett Co., 7706 North 71st Ave., Glendale, AZ 85311-2719; 623/915-1111; fax 623/915-1722; www.star rett.com.

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