Hammacher Schlemmer offers The Only Rechargeable Illuminating Wrenches, model no. 81281, for $29.95. Apply coupon code "37440" for a flat shipping rate of $7.95. That's tied with our mention from last week, $100 off, and the lowest total price we could find. This set includes seven wrenches in various sizes, which feature LED lights and a recharging dock.
WD-40 is handy in a lot more situations than you likely realize.