Framus Vintage machine heads with nickel knobsbutterflywings from Perloid2 pieces (3x left, 3x right)machine head bushings (rivets) are not included in the delivery and must be ordered separately if required (FRV RIVET 00001 / FRV RIVET 00002 / FRV RIVET 00003)Note: Framus Vintage Parts are remnants (New-Old-Stock) or suitable spare parts for older Framus instruments. Differences in color and surface are material- or age-related and are no reason for complaint.