Paulus Frog ferrule for violin … Paulus Frog ferrule for violin, nickel silver 14x6,2x9,5 mm Item No. B82003 Manufacturer Paulus bowparts Paulus turned ferrule for bass, … Paulus Frog ferrule for violin, nickel silver 14x6,2x9,5 mm × Paulus Frog ferrule for violin, nickel silver 14x6,2x9,5 mm