Fotodiox Dedicated (Bayonet) Lens Hood, for Nikon 17-55mm f/2.8G Lens (replaces Nikon HB-31) Fotodiox Dedicated (Bayonet) Lens Hood, for Nikon 17-55mm f/2.8G Lens (replaces Nikon HB-31) Dedicated Bayonet Mount Type Premium Grade High Impact Plastic 24 Months Warranty