Dear Sirs,I am looking for the similar hasp lock for cabinet, which of annual volume around 80,000pcs. We need the hole to attach padlock. Push the knob down for lock/unlock, the knob rotate 360 degree freely.Sincerely yours,Qsing/Angusob down for lock/unlock, the knob rotate 360 degree freely.Sincerely yours,Qsing/AngusShow More