Set of four gauges for -3,-4,-5,&-6 rivets.
Each gauge measures MINIMUM height and MINIMUM diameter of shop heads AFTER setting. Eliminates guessing if your rivets are properly set. Works for measuring both universal head and flush rivets. Precision machined to size from 2024 aluminum. Rivet size permanently stamped on each gauge. Color coded anodized finish.
Aviation Instructor, used during structures, very nice addition to the schooling tools for this course.
A small investment to make if youre about to place 10,000 rivets. Very easy to check the diameter and height of your shop heads.
Use to check students rivets for proper size. Works well.