Precision tools that are well cared for make precision machining jobs easy. The Suburban Master Grind spinning fixture on the left has a spindle runout of +/-0.000050 & accepts 5-C collets. The Surburban grinding vise & V block are square on all sides within +/-0.0001. The laboratory Grade AA granite surface plate is flat over its entire surface, 18 X 24 in, within +/-0.000065. In the background can be seen height gages & a transfer gage.