Canon XD2-1100-132 Retaining Washer
Canon YA2-0596 EF Screws
Canon YA2-0929 EF Screws
Genuine Canon collar retaining screws for the collar used in the EF 70-200 2.8 L USM, EF 70-200 2.8 L IS USM, and the EF 70-200 2.8 L IS II USM lenses.  Package of 1 screw. Made by Canon Japan.
The collar used with this screw is in stock here.
Canon YA2-1214 Dust Shield
Canon YA2-2685-000 EF Screws
Canon YB2-0333 Collar Screw
Canon YB2-0805 EF Lens Screws
Canon Parts, Cameras - Digital Powershot, Cameras - Digital SLR, Parts, EF EF-S Lenses, Screws - Genuine Canon
Genuine Canon YB2-0805-000 screws for EF, and EF-S lenses. See part lists for specific applications for these and other Canon imaging products. Package of 2 screws. Made by Canon Japan.
Canon YB2-1719 EF-S Screws
Canon YB2-3797 EF Screws
Genuine Canon screws for Canon EF 24-70 2.8 L II USM and other Canon imaging products. These screws fit collar part YB2-3796-000 for the lens listed. Package of 2 screws. Made by Canon Japan.