Here is a set of 11 Crescent wrenches in Low Poly format. Each wrench is less than 2k polys and the whole set is less than 15k. These are in fraction of an inch and include the following sizes:
5/32, 3/16, 7/32, 15/64, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16 and 1/2 inch
Texures included in both 2k and 4k formats.