Lang Tune Up Gauge contains: Nine – 3” x 1/2” blades with thicknesses:

• .002, .003, .004
• .006, .008, .012
• .013, .020, .025

Five – 1” x 1/4” blades with thicknesses:

• .025, .030, .035
• .040, .044

with steel ruler and electrode adjusting tool.

The sizes are permanently etched on each blade.