Double Head Open End wrenches are manufactured from steel bar. These wrenches are available in fractional sizes only from ¼” through 2-7/16”. They come in a Chrome or Industrial Black finish. These are general purpose wrenches that have 15 degree angled slotted openings at each end. The openings are of different convenient sizes. Use these wrenches generally for quick run down. The comfortable grip makes them easy to use.