Amazon has Dremel A679-02 Attachment Kit for Sharpening Outdoor Gardening Tool for $4.38, usually sells for $15-20 on Amazon or Walmart.
Useful for sharpening lawn mower blades, chain saws, axes, hand tools, shovels,etc.
Shipping is delayed until June 12, item went out of stock. If you can wait 3 weeks, this is a good deal.
Sold & shipped by Amazon (not a 3rd party).
http://amazon.com/Dremel-A679-02-…B003BIFMK6