Air tank feet

I was looking to buy the air tank feet, so the air tank don't roll around.
I couldn't find anywhere. Could someone tell me where you guys bought them from.
Thank you very much!

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For vertical holding position then get a Scuba Tank Boot ($5.00 at scuba places everywhere)...If you want it horizontally, there are several options offered by Paintball Shops and some other better ones from specialized shops like Airguns Of Arizona, Air Tanks For Sale.com: http://www.airtanksforsale.com/ 

You can also make or buy the scuba tank carrying bags: 

http://www.ebay.com/itm/SCUBA-AND-CYLINDER-CARRYING-BAG-/261315457370?hash=item3cd79d715a:g:SIoAAOxyd8NSbAKh

Another Cheap Option: http://www.pyramydair.com/s/a/Air_Venturi_Air_Tank_Carrier_With_Logo_Large_Fits_AV_4500HPT_Other_5_to_7_Diameter_Air_Tanks/4567



Many options...All depends on what you want.

Regards,

AZ