Craftsmanship in Wood

I was looking at getting a set of 2-4-6 machinist set up blocks to use for paring guides, however then I came across this on Ebay, which seemed like a better option:

http://www.ebay.com/itm/SHARS-12x1-1-2x ... 0661304720

Seller communicates well and the item has been shipped within 12 hours of purchase.

These parallels will also, of course, be useful for a variety of layout tasks not limited to setting off parallel spacing.