Can't be sure but asking around, these appear to be Key Pearl Touch Piece Holders for early MK6 Saxophones.
Selmer Paris Saxophone Bushing & Spring to take Pivot Screw - Free UK Shipping
Selmer Paris Saxophone Adjusting Screw for F# Bar (Bb/G#) - Free UK Shipping
Selmer Paris Saxophone Alto SA80 III Plastic Regulation Screw - Free UK Shipping
Henri Selmer Paris Saxophone MARK VI 87506 With Case
SELMER Paris. New. Alto E Saxophone Mouthpiece. S80. Black. For Alto Saxophone.
Selmer Paris Alto Saxophone Spring Set with Spring Screws - Free UK Postage
