Weight:340g Dimension:2.72in*2.72in*1.50in(6.9cm*6.9cm*3.8cm) Brand:MEIKE Model:MK-C-UP Color:Black Quantity:1 Piece Material:Aluminum Alloy+Plastic Features: Suitable for all Canon DSLR cameras with EF/EF-S lens; Support reverse mount lens magnification and focus distance extension; Provide 4 pieces of reverse adapter lens rings; Can be connected with different lens to achieve closer capture. Packing List: 1 x Extension Tube 1 x 58mm Lens Ring 1 x 67mm Lens Ring 1 x 72mm Lens Ring 1 x 77mm Lens Ring 1 x English&Chinese Instruction<img src="http://112.74.112.28/down/products/427863/427863_000.jpg" noproxy>