Lens Hood 2pc, 120mm (4.72in) long. Replaces Canon ET-124 hood.

Bayonet-mount 2pc lens hood kit. Replaces Canon ET-124 hood. Length: 120mm (4.72in). Maximum diameter: 157.5mm (6.2in). Extension beyond end of lens: 99.75mm (3.92in). Approximate weight: 226g (8oz). Fits Canon RF 100-300mm f/2.8 L IS USM. Sections are 68mm (2.68in) long. Handling a two-piece hood: https://youtu.be/laydgwmaQG4