ERGObrass Additional Fastener Counterpart for Trumpet

Description

Additional ERGObrass fastener counterpart to be used with your other trumpets or in many flugel horns with piston valves (on the left side). This package includes the plastic fastener counterpart, hex key wrench for the nut and one additional Nyloc screw. This counterpart can be attached to or removed from your trumpet very easily and quickly by opening just one screw.