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This prop is designed for electric motors, (Why there is an "E" at the end).
As electric motors can be easily reversed (as opposed to a gas engine) it can be used in either push or pull configuration, just by flipping it around on the shaft. Make sure the lettering points forward and you will be golden.
This propeller will be good but folding prop is better because it resist less. With no folding propeller you must fly always with throttle on. You can't glide.
it depends how much power and revolutions you are running. If you stick your finger in at full throttle I guarantee you, that it will cut through your skin like knife
I don't think it could cut off your finger entirely. It may cut to the bone at worst but most likely will just give you a good cut or bruise. My advice, don't try to find out! :)
Why is anyone bothering to answer this question? If this person doesn't get the inherent dangers and is clueless on basic safety, I say let him find on his own. torcida, spin this prop on a 4800kv motor and let us in on your findings.
OK,not to sound so brash as my last post. I tried holding this prop in my right hand and rubbed as hard as I could on my left pinky joint. It didn't cut, but it sure hurt like hell.
OK, just realized the lack of a question mark on the original post. Maybe it was posted as a statement. Thanks for the obvious warning, torcida. You rock.
From my experience with these the hole size ranges from about 3mm - 5 mm but all of them come with little fitting collars. I havent had any trouble getting them to fit a wide range of aircraft. Hope this helps.
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But I just don't know wich one to buy 
