Heavy duty chrome vanadium steel constructionmaximum torque: 100 ft-lbs (14 kg/m)chrome plated bar and black oxide finish head to resist corrosion18″ longthe head swivels 180 degreestitan 3/8 inch drive 18 inch breaker bar features a 3/8 inch drive with 18 inch breaker bar. it has a 3/8 inch drive head that swivels 180 degrees. it has a heavy duty chrome vanadium steel construction. it has a maximum torque: 100 feet-pounds (14 kilograms/m) chrome plated bar and black oxide finish head to resist corrosion.