haha thanx for wondering, its from a website of magnets, forgot the name. it snot a cosplay site i'll tell ya that, googled "neodymium magnet" and took the first website, i think its like magnet source, its either one of these website,s i dont remember exaclty, bu ti had to make a call and talk for a good while to explain exaclty what i customely wanted : 

www.magnetsource.com/

www.kjmagnetics.com/