NEW Grip Edge 38pc Master SAE & Metric RPT Hex Bit Socket Set w/Case #MH38S. Specialty Hex Bit Sockets with RPT (Rounding Prevention Technology)! Sizes Included – 1.5, 2, 2.5, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 MM & 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4. Replaces standard hex tools. Patented and unique bi-directional design enables loosening & tightening of new and damaged hex fasteners. Technology prevents rounding of new and compromised fasteners. Technology provides up to 50% more torque on NEW fasteners. Technology provides up to 400% more torque on damaged fasteners. S2 steel for increased strength and durability. Oversized roll stamped, and ink filled size markings for greater visibility. Check out my other items. Be sure to add me to your favorites list. I check my emails often! All Power Tools and chargers come with a Standard 120V US Electrical Plug. Thanks, Nate’s Tools and More. Warning: This product can expose you to or may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.