The GripEdge 3/8" Drive RPT Impact Star Bit Socket T30 (ISTB30) is a professional-grade impact socket engineered with patented Rounding Prevention Technology (RPT) for demanding fastener removal and installation applications. Its unique bi-directional RPT geometry is designed to grip both new and damaged Star/Torx fasteners, delivering up to 400% more removal torque on stripped or corroded hardware. Built from Cr-Mo steel, this socket offers the strength and durability required for daily professional use. The impact-ready design makes it compatible with impact drivers and wrenches, as well as standard ratchets, flex handles, and bit holders.
Features
Impact ready construction for use with impact drivers and wrenches
Patented bi-directional RPT design enables loosening and tightening of both new and damaged Star/Torx fasteners
RPT Technology prevents rounding of new and compromised fasteners
Delivers up to 50% more torque on new fasteners compared to standard star sockets
Delivers up to 400% more torque on damaged or stripped fasteners
Cr-Mo steel construction for increased strength and long-term durability
Black phosphate finish resists corrosion and shop chemicals
Oversized and laser-etched size markings for greater visibility during use
Specifications
Drive Size: 3/8"
Size: T30
Drive Style: Star / Torx
Material: Cr-Mo Steel
Finish: Black Phosphate
Technology: RPT Rounding Prevention Technology
Part Number: ISTB30
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