Home / Measuring Tools / Gage, Surface Roughness Comparator, SPI Sale! Gage, Surface Roughness Comparator, SPI$70.00 $63.00 Category: Measuring Tools Description Description SPI Composite Pocket Set No. 30-695-1 Surface Roughness Comparator Gage Related products Sale! Del-Tron Positioning Stage w/ Starrett Micrometers, X & Y Axis, .500″ Travel, .001 Resolution, (1 Available) $75.00 $67.50 Read more Sale! Rule, General 6″ Stainless Steel Rule Metric/English, New NE50311ME $1.95 $1.75 Read more Sale! QWIC-100 Model 1000 Length Gage, General 12″ Rule, Federal B70 Dial Indicator, .001″ Resolutin, Range .125″ $79.00 $71.10 Read more Sale! Telescoping Gage, Starrett 579-F, 3-7/16″ to 6″ $25.00 $22.50 Read more