Paulus bass frog, French model, … Paulus bass frog, Pfretzschner model, nickel-silver, without eye Item No. B456000 Manufacturer Paulus bowparts Paulus bass frog, Pfretzschner … Paulus bass frog, Pfretzschner model, nickel-silver, finished with screw, without eye × Paulus bass frog, Pfretzschner model, nickel-silver, without eye