The combination wrench set has 12-point wrenches ranging from 3/8" to 11/16". This combination wrench set is built with chrome vanadium for maximum strength and durability. 12 Point SAE Combination Wrench Set When you need an industrial grade tool kit, look no further than Crescent's CCWS0 6 Pc. They also have box ends that make it easier to access tight spots where other tools would be ineffective or even dangerous.