As seen on "the Router Workshop"!
A must for every shop!
Set of 5 sizes ranging from 1/8" to 1/2". Solid brass to protect router bits, complete with easy access holder indicating the bar sizes.
www.oak-park.com
look for "Brass Measuring Bars"
other on-line stores have then too......
Check here for some more thoughts on these
www.routerforums.com/showthread.php?t=171
Ed