Starrett, 66BS, Feeler Gage Sets; Maximum Thickness (mm): 0.0015; Minimum Thickness: 0.0350; Minimum Thickness (mm): 0.0350; Number of Leaves: 31; Material: Stainless Steel; Number Of Leaves: 31; Leaf Length (Inch): 3-1/32; Width (mm): 1/2; Width (Inch): 1/2; Thicknesses Included (Decimal Inch): 0.032 in; 0.03 in