Pirastro Flexocor Deluxe Solo … Pirastro Flexocor Deluxe Solo Bass FIS4 Item No. P340400 Manufacturer Pirastro Pirastro Flexocor Deluxe Solo … Pirastro Flexocor Deluxe Solo Bass FIS4, wire core, chrome steel × Pirastro Flexocor Deluxe Solo Bass FIS4