14 piece SAE full polish combination wrench set. Chrome Vanadium Alloy Steel for long lasting durability. Surface Drive technology on box-end virtually eliminates fastener rounding. Heat treated for maximum strength. Sizes stamped on both sides for easy identification. Nickel chrome plated for long lasting protection. Mirror polish finish. 12 point drive type. Includes: 3/8" 7/16" 1/2" 9/16" 5/8" 11/16" 3/4" 13/16" 7/8" 15/16" 1" 1-1/16" 1-1/8" 1-1/4"