Canon CB2-0078-040 EF Screw
Canon X91-1738-550 EF Screws
Canon YA2-4183 Lens Collar
Canon XA4-2170-607 EF Screws
Canon XA4-9200-606 EF Screws
Canon XA1-7170-407 EF-EOS Screws
Canon XA1-7170-307 EF EF-S EOS 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.
Canon CB1-4085 EOS Screws
Canon CB3-7096 Plate Spring
Genuine Canon accessory shoe plate spring for the EOS 1, 1D, 1D MK II N, 1 DS, 1DS MK II, 1D MK IIn, 1DS Mark III, EOS 1D, 1DS Mark III, 40D, 60D, 5D, 5D Mark II, 5D Mark III, 6D, 60D, 7D, 7D Mark II, Rebel T1i, T2i, T3, T4i, XSi and other digital film cameras. The plate spring fits on top of the accessory shoe. It covers the accessory shoe retaining screws. Made by Canon Malaysia. This Canon part can replace CA1-9328-000.