Displayed Reading	* Approximate Hole Diameter Leak
0.3	0.004"
0.5	0.005"
0.7	0.006"
1.0	0.007"
1.9	0.010"
2.4	0.012"
3.9	0.016"
5.3	0.020"
6.7	0.025"
7.3	0.030"