corex gauge

[Bruce Dornfeld]

David,

You want the 15 gram gauge for flange centers.  It is a great tool.  The 100 gram gauge would be for measuring spring strength like vertical  hammer or damper, but I don't own one of the 100 gram gauges so I cannot say much about its uses.
 

Bruce Dornfeld, RPT
bdornfeld at earthlink.net
847-498-0379
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