Kastar Master Thickness Gauge is equipped with a knurled lock-nut, which releases the blades instantly for rapid selection of size desired, and when tightened, locks the individual blade into the working position, retaining the blades not in use firmly in the handle. The sizes are permanently etched on each blade.

Contains: Thirty-one steel and One brass – 3” x 1/2” blades with steel thicknesses:

• .0015, .002, .0025
• .003, .004, .005
• .006, .007, .008
• .009, .010, .011
• .012, .013, .014
• .015, .016, .017
• .018, .019, .020
• .021, .022, .023
• .024, .025, .026
• .028, .030, .032
• .035

; brass thickness.