newegg offers the Irwin Quick Adjusting Metric Wrench 3-Piece Set
, model no. 207040711, for $14.99
with free shipping
. (Search for "9SIA02V01M2491" to find it.) That's $12 off list and the lowest total price we could find, although we saw it for $8 less last month. It features 6", 10", and 12" wrenches with scale markings, sliding levers, and more.