This tool set includes 11 double head open end wrenches of various sizes. This set of chrome wrenches includes a kit bag. Double Head Open End wrenches are drop forged from steel bar. These wrenches are available in fractional sizes only from ?" through 2-7/16". 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.