Starrett 172ATS Feeler Gage Sets; Maximum Thickness (mm): 0.0015; Minimum Thickness: 0.0150; Minimum Thickness (mm): 0.0150; Number of Leaves: 9; Material: Stainless Steel; Number Of Leaves: 9; Leaf Length (Inch): 3-1/32; Width (mm): 1/2; Width (Inch