Canon YB2-1098 Cover Ring
Canon YB2-1233 Scale Window
Genuine Canon focus scale window for the EF 70-200 4.0 L IS USM lens. Sold as pictured. Made by Canon Japan. New double-sided tape is recommended when installing this window, go here.
Canon YB2-1242 Decentering Collar
Canon YB2-1243 Lens Collar
Canon YB2-1246 Window Tape
Genuine Canon scale window tape for the EF 70-200 4.0 L IS USM focus scale window. The window used with this tape, in stock here. Made by Canon Japan.
Canon YB2-1248 Shaft Screws
Canon YB2-1305 Name Ring
Canon YB2-1326 Collar Screw
Genuine Canon screw to retain all sizes of collar YB2-1328 for the EF 16-35 2.8 L II USM lenses and other Canon imaging products.  Package of 1 screw. Made by Canon Japan.