Freeborn, count on the best!

• designed for hub style shaper cutters such as found with all freeborn and other high quality tooling.  
• Creates a 1/4" thick x 3/4" long tenon using Freeborn Top Groovers (4" OD). Helps in fence alignment (use a straight edge on both fences and the outer diameter of the rub spacer for perfect tenon length)
• Spindle must be aligned to shaper table perfectly to create accurate specs. If your spindle is leaning this will widen groove beyond 1/4"
• Bore 1-1/4" 
• New in packaging
• Hardened Steel (not a ball bearing)
• balanced and verified
• 100% American Made
• allow 1 week to make
• 1 lb
• Useful in other woodworking applications.