material: glass
fits in the following holders:
Essentials (40 369)
Essentials Cube (40 508)
Bau Cosmopolitan (40 585)
Essentials Authentic (40 652)

material: metal
for crystal glass (40 372 001)
soap dish (40 368 001) or soap dispenser (40 394 001)
concealed fastening
GROHE StarLight chrome finish