J/K Stevenson Corp Super Angle Master Sine Wheel Dresser USA Rare

J/K Stevenson Corp Super Angle Master Sine Wheel Dresser USA Rare.  Ultra Precise Angle Dresser.  Made by J/K Stevenson Corp out of Roselle, IL.  These are hard to come by and I don't see them often.  Angle rods are 3/8 diameter.  Only the rods shown in photos are included.  Takes diamond dressers 3/8 diameter as well.  Comes with original storage case as seen in photos.  The arm that holds diamond dresser slides and originally would have had a boot to cover arm.  The O rings are present to hold any replacement material if boots are desired.  Please review all photos to determine condition and identification.  Item is sold as is with No Returns.  Will be shipped via USPS Priority.