Steel case protects leaves
Thickness marked on leaf
Locking device securely locks 1 or more leaves in position
Leaves easily removed or replaced
For adjusting tappets, spark plugs, distributor points, checking bearing clearances and gear play, fitting pistons, rings and pins, and gaging narrow slots
Meets or exceeds accuracy and performance requirements of national and international standards and are traceable to the National Institute of Standards and Technology.