Canon YA2-3665 Guide Collar
Genuine Canon lens guide collar for the EF 16-35 2.8 L II USM and EF 100-400 4.5-5.6L IS USM. Made by Canon Japan. See the detail below to measure your lens guide collar.
Use choose an option and select from available sizes.
Use the detail to measure your lens guide collar, then pick from available sizes.
Use the detail to measure your lens guide collar, then pick from available sizes. 
Canon CY1-2178 Mount Washer
Use the option to select from available sizes.
Canon CB5-3640 EOS Screws
Canon XA1-7200-456 EF EF-S Screws
Canon XA1-6170-509 EF-EF-S-EOS Screws
Canon YA2-0427 Gear 2
Canon YF2-0036 Zooming Brush
Canon YB2-0031 Guide Collar
Canon CA2-4923 Brass Collar
Genuine Canon brass collar for the EF 100-400 4.5-5.6L IS USM lens. Made by Canon Japan. The screw required to retain this collar is available here.
Use the choose an option and select from available sizes.
Use the choose an option and select from available sizes. 
Canon CA2-6842 Guide Collar
Canon YA2-3666 Eccentric Collar
Canon YA2-3664 Eccentric Collar
