Lens Hood 2pc, 200mm (7.87in) long. Replaces Canon ET-161 hood.

Bayonet-mount 2pc lens hood kit. Replaces Canon ET-161 hood. Length: 200mm (7.87in). Maximum diameter: 196.5mm (7.74in). Extension beyond end of lens: 173mm (6.81in). Approximate weight: 431g (15.2oz). Fits Canon EF 600mm f/4L USM, EF 400mm f/2.8L USM . Sections are 108mm (4.25in) long. Handling a two-piece hood: https://youtu.be/laydgwmaQG4