Pneumatic Water Sander is a veratile sander, which can be used for any hard material and any profile to sand the uneven surface, especially, ideal to sand the marble, stone etc. There is also side-exhaust air and rear-exhaust air. Please leave message about the one you need.Or else, we will only send rear-exhaust air. The item "Pneumatic Sander air stone wet grinder polisher" is in sale since Thursday, June 9, 2016. This item is in the category "Home & Garden\Tools & Workshop Equipment\Air Tools\Sanders". The seller is "mmdiamonds77" and is located in zhengzhou, . This item can be shipped worldwide.