GOLD PLATED BINDING POST FITS HAFLER DYNACO AND OTHERS. COMPLETE SET AS SHOWN.100% brass gold plated knurled binding post set includes terminals, lock washers, insulating washers, and nuts as shown. Binding posts can accept up to 6AWG or standard banana jacks. Use when upgrading  the smaller Hafler (DH-120,200,220,etc)and Dynaco (ST-80, ST-120,PAT-5, etc) amps/preamps with 1/4 inch chassis knockouts.  As always, thanks for looking.