This is the one I normally see at juice bars: https://www.amazon.com/Samson-Super-Juicer-Commercial-Wheatgrass/dp/B00B6RJCE6
2020 Edit: The new Goodnature M-1 also works very well on wheatgrass.
This is the one I normally see at juice bars: https://www.amazon.com/Samson-Super-Juicer-Commercial-Wheatgrass/dp/B00B6RJCE6
2020 Edit: The new Goodnature M-1 also works very well on wheatgrass.