This wrench set includes 5/16 in, 3/8 in, 7/16 in, 1/2 in, 9/16 in, 5/8 in and 3/4 in sized wrenches. Its flex head tilts up to 180 deg, allowing access to the narrowest of working areas. The 72 tooth ratcheting box-end with 5 deg of arc is ideal in tight space conditions. The set is made of drop forged chrome vanadium steel with a mirror polish.