Canon XA1-3200-509 EF-EF-S Screws
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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 the retaining washer for this lock knob?