555117 1/2" Shopsmith Shaper Arbor
Have Multiple Cutters Mounted and Ready-To-Go with Extra 1/2" Shaper Arbors

Fine tool steel arbor secures shaper cutters and collars. Keyed washer allows safe use with right-hand or left-hand rotating shafts.
Includes: Arbor and (4) Rub Collars (25/32", 1", 1-1/4" and 1-1/2").
This is just one item out of the shaping package seen below
Helps You Create Beautiful Decorative Trim On Curved or Straight Edges

Create Decorative Edges, Fancy Trim and Precision Joinery With This Professional Shaping Package
While the molder produces great straight-line cuts in the surfaces of workpieces... and the dado is the tool to reach for when you need square-edged dadoes or grooves... the shaper is best for decorating edges or making edge joints on straight or curved edges.
In fact, rub collars and starting pins let the shaper tackle irregular shaped edges as easily as regular ones.
Plus, the shaper even lets you work on the inside edges of cut-outs such as round or oval picture frames.
Note: Not for use with 10-ER, Mark 2 or older-style Mark VII.