Lens Hood 1pc, 139mm (5.47in) long. Matches Canon ET-118 hood dimensions.

Bayonet-mount 1pc lens hood kit. Matches Canon ET-118 hood dimensions. Length: 139mm (5.47in). Maximum diameter: 141mm (5.55in). Extension beyond end of lens: 116.25mm (4.57in). Approximate weight: 213g (7.5oz). Fits Canon EF 300mm f/2.8 L USM.