Canon YA1-1229 Focus Knob
Genuine Canon focus knob for the 18x50 IS AW binoculars. Sold as pictured. Made by Canon Japan.
The screw used to retain this knob is listed here.
Canon YA2-0037 Zooming Collar
Canon YA2-0124 Friction Rubber
Canon YA2-0317 T-SE Screws
Canon YA2-0424 Manual-Focus Ring
Canon YA2-0427 Gear 2
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.