"Spin it off" is now available. Even bigger it is 22" length and it includes a degaussing sleeve to keep things from sticking to it when not in use. U.S. Patented technology US 9,358,550.The tool is assembled in Camas,Washington USA, and does a great separating black sand. It was invented by David Urick from Columbia River mining Supplies LLC. It can be used in wet and dry application. Here are some YouTube videos of what this tool will do for simplifying gold panning your concentrates,as well as taking the magnetite out of your material fast and easy. 

http://youtu.be/6-uDYPzDPmk 

http://youtu.be/GwnJCQhqajc

http://youtu.be/e1cFSELqs9A

http://youtu.be/0wcB-XPbB9s

http://youtu.be/ibMR9o2JhNU

http://youtu.be/hSpNHgtE2aU

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