I couldn't imagine not using the open end of my wrenches in my job, they are a must for hydraulic, air fittings and hard to reach nuts and bolts. These are never far from my reach.
I'm a flashlight junkie and have a whole drawer full of lights but the ones I've been using most are:
Streamlight ProTac HL http://www.streamlight.com/en-us/product/product.html?pid=254
ProTac 2AA
Princeton Tec headlamp. http://www.princetontec.com/remix