Bolo Canon EOS Macro Extension Tube Set Kit for Extreme Close-up, fits Canon EOS 1d,1ds,Mark II, III, IV, 5D, Mark II, 7D, 10D, 20D, 30D, 40D, 50D, 60D, Digital Rebel xt, xti, xs, xsi, t1i, t2i, 300D, 350D, 400D, 450D, 500D, 550D, 1000D with FREE MICRO CLEANING CLOTH Great addition to any Photographers Tools and Accessories 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, 1 x Micro Fiber Cloth" 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.