This Leica Lens Hood Cap for Leica Wide-Angle Lenses is a custom replacement lens hood cap 

designed for the lens hoods 

Leica Hood Cap for  14212 

16-18-21mm f/4,(11642)

 24mm f/3.8,(11648) 

21mm f/3.4APSH (11145)

 35mm f/1.4APSH (11675/11663)

28/2APSH (11672)

28/2.8 APSH (11677)

35/2APSH(11673/11674)