4mm - 3/8" Drive Long RPT Hex bit socket

GRIPEDGE - It's All About The Grip! RPT (Rounding Prevention Technology) Hex Bit Sockets are designed to completely replace your traditional Hex tools. Use them the first time, every time, to prevent damage from happening. In most cases, If you come across an already stripped hex, the RPT Hex Bit Sockets can grip and remove them without the need for additional tools. Designed to replace standard Hex tools Patented unique bi-directional design enables loosening & tightening of new and damaged Hex fasteners Prevents rounding of new and compromised Hex fasteners Up to 50% more torque on NEW Hex fasteners vs standard hex tools Up to 400% more torque on damaged fasteners vs standard hex tools S2 steel for increased strength and durability Oversized roll stamping and ink-filled size markings for greater visibility