6" - 26" range.
AMMCO Safe-Set 8500 6" - 16-1/4" Brake Drum Micrometer Shop Tool
Ammco 9069186 / 6918-6 / Hunter 221-639-3 Positive Rake Bit Replacement (6 Pack)
Ammco / Coats 6918-6 Positive Rake Carbide Insert
AMMCO Brake Lathe 6 1/2" Alignment Cup 1" Bore AS3577
AMMCO 8500 BRAKE DRUM MEASURING TOOL VAN NORMAN RELS ACCUTURN KWIK WAY
AMMCO 8500 Safe-Mike Brake Drum Micrometer Dial Caliper Gauge Made USA Vintage