I bought this unoriginal hood for my kit lenses 18-55 but I can't

File: 5417aae0d766d.jpg (158KB, 700x650px) Image search: [Google]

158KB, 700x650px

I bought this unoriginal hood for my kit lenses 18-55 but I can't put this thing on

Did I buy wrong one or there is some special way to put this on?

[EXIF data available. Click here to show/hide.]

Camera-Specific Properties:
Equipment Make	Canon
Camera Model	Canon EOS 7D
Camera Software	Adobe Photoshop CS3 Windows
Maximum Lens Aperture	f/2.8
Image-Specific Properties:
Image Width	3456
Image Height	2304
Number of Bits Per Component	8, 8, 8
Pixel Composition	RGB
Image Orientation	Top, Left-Hand
Horizontal Resolution	72 dpi
Vertical Resolution	72 dpi
Image Created	2014:09:15 16:38:47
Exposure Time	1/60 sec
F-Number	f/4.5
Exposure Program	Manual
ISO Speed Rating	100
Lens Aperture	f/4.8
Exposure Bias	0 EV
Subject Distance	0.53 m
Metering Mode	Pattern
Flash	No Flash, Compulsory
Focal Length	42.00 mm
Color Space Information	sRGB
Image Width	700
Image Height	650
Rendering	Normal
Exposure Mode	Manual
White Balance	Auto
Scene Capture Type	Standard