Pixco 72mm-72mm Male Marco Coupler Reverse Adapter Ring normally ,the shipping time is about 8~15 working days to USA.Please note:If you receive a message indicates that you will receive item(s) longer than 8~15 working days.please don't worry,it is inaccurate. This series of products are designed to allow the photographer to mount an additional lens face to face on the camera's lens, via male-to-male reverse adapter, enabling high quality macro (close-up) images with high resolution and sharpness. High quality and brand new product. Made of Aluminum. Compatiable For: Male thread at both sides: 72mm .Camera with 72mm (Female) front threaded lens