Macro Extension Tube Kit Compatible with Canon Cameras Great addition to any Photographers Tools and Accessories Included in this kit: 1 x Camera Mount Coupling Adapter; 1 x Lens Mount Coupling Adapter; 1 x Extension Tube 1; 1 x Extension Tube 2; 1 x Extension Tube 3 Composed of light-weight metal You can create any combination of the tubes for various Macro Effects Easy to store and carry with you wherever the shoot location is