A graduated measuring instrument of flat tempered steel, to one end of which is attached a right angle piece of metal which protrudes beyond the width of the rule. It is used to measure through holes, hubs of pulleys, to set calipers and dividers, and to measure from points where the user cannot see if rule is even with measuring edge.
NSN 6150-00-421-2112
NSN 5998-00-839-1242
NSN 5835-01-502-9228
NSN 6105-01-296-9628
NSN 6150-00-084-4432
NSN 5999-01-356-7222
NSN 5835-01-595-4099
NSN 5835-00-247-0161
NSN 6320-00-500-4172
NSN 6610-01-376-9199
NSN 5950-01-147-9828
NSN 5999-00-952-6115