CORROSION RESISTANCE: Full Polish Chrome Finish. INCREASED ACCESS AND MINIMAL ARC SWING: 72-Tooth Ratchets-in 3 Drive sizes. INCREASED TORQUE: 6 Point Socket with fastener. Meets or Exceeds ASME Specifications. Common applications include automotive mechanical and home repair. CRAFTSMAN Full Lifetime Warranty. Also includes (3) Universal Joints (1/4, 3/8, 1/2-in Dr), (1) 1/4-in Dr Bit Driver, (1) 3/8-in Dr Size Adapter (1/4-in), (1) 1/2-in Dr Size Adapter (3/8-in), (3) Ratchets (1/4, 3/8, 1/2-in