●Nickel Plating ●Flex-Head Wrench is Made of High-Strength Chrome-Vanadium Steel Construction to Ensure Durability and nickel plated for durability, these wrenches will deliver years of consistent performance. ●72-Tooth Ratchet: The 180 Degree Flex-Head Can Conduct The Projects In Some Awkward Places Easily And Effortlessly The 72-Tooth Ratchet Gears Need Only A 5-Degree Of Working Swing Arc To Reach To The Next Tooth Position. ●12 SAE Size Include: 1/4”, 5/16”, 11/32”, 3/8”, 7/16”, 1/2”, 9/16”, 5/8”, 11/16”, 3/4”, 13/16”, 7/8”. ●Our Wrench Lengths Provide Better Lever Performance, Making Your Job Easier and Effectively Loosening Stubborn or Rusty Bolts and Nuts. ●Equipped with a dedicated wrench storage rak for safe storage, Makes organizing easy.