The Powermatic 701-149B Benchtop Mortiser Handle Hub helps connect and support the handle assembly for controlled operation of compatible mortising equipment. This replacement hub fits within the handle mechanism and helps transfer user movement to the operating components during mortising tasks. A properly fitted handle hub supports smooth control, secure assembly, and consistent mac... https://www.wholetoolbox.com/powermatic-701-149b-benchtop-mortiser-handle-hub/701-149B.html