Paulus Frog ferrule for violin, … Paulus turned ferrule for bass, low, nickel silver 20,5x9,7x15 mm Item No. B82301 Manufacturer Paulus bowparts Paulus turned ferrule for bass, … Paulus turned ferrule for bass, low, nickel silver 20,5x9,7x15 mm × Paulus turned ferrule for bass, low, nickel silver 20,5x9,7x15 mm