The flexible wrench set includes 8 mm, 10 mm, 12 mm, 13 mm, 14 mm, 15 mm and 17 mm 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 from drop forged chrome vanadium steel with a mirror polish.