Lens Hood 2pc, 160mm (6.3in) long. Replaces Canon ET-161 hood.

Bayonet-mount 2pc lens hood kit. Replaces Canon ET-161 hood. Length: 160mm (6.3in). Maximum diameter: 196.5mm (7.74in). Extension beyond end of lens: 133mm (5.24in). Approximate weight: 372g (13.1oz). Fits Canon EF 600mm f/4L USM, EF 400mm f/2.8L USM . Sections are 88mm (3.46in) long. Handling a two-piece hood: https://youtu.be/laydgwmaQG4