Canon YA2-3664 Eccentric Collar
Canon CB3-7814 Cable Cover
Canon YB2-5697 Shaft Screw
Canon CY3-2302 Fixed Barrel
Canon CY3-2526Â USM Motor
Canon YB2-1248 Shaft Screws
Canon YB2-0333 Collar Screw
Canon YB2-1328 EF Collar
Canon XA1-3200-509 EF-EF-S Screws
Canon XA9-1336 EF-EF-S Screws
Canon CY3-2038 A/M Switch-Panel
Canon XA1-7260-559 EF-EF-S Screws
Canon CY1-4292 Lock Unit
Genuine Canon hood lock unit for the EF 300 2.8 L IS USM, EF 400 2.8 L IS USM, EF 600 4.0L IS USM lens hoods ET-120. ET-155, and ET-160. Package of 1 lock unit. Made by Canon Japan. If you need the screws that retain the hood lock unit to the lens hood, go here. International customers need to select USPS Priority Mail as your shipping choice as that will guarantee delivery. Contact us if you have questions. Need just the retaining washer for this lock knob?