Each T-Handle is uniquely designed and overmolded for additional comfort. Technology provides up to 50% more torque on NEW fasteners , R., P., T. GripEdge RPT Hex Tools Replaces Standard Hex Tools Our Patented Unique Bi-Directional Design Enables Loosening & Tightening of New and Damaged Hex... prevents the rounding of good Hex fasteners whilst being able to removed extremely compromised Hex fasteners. (Rounding Prevention Technology) T-Handles are designed to replaced standard hex tools., R., P., T. GripEdge 10pc 3/8Dr Metric RPT Socket Extractor Set - Tool Truck UK Gripedge RPT Hex T-Handle Driver Set - 8Pc Metric | JDTCo The unique, patented & Bi-directional geometry delivers up 50% more prevention torque on good Hex fasteners vs standard Hex tools, whilst applying up to 400% more torque on damaged fasteners vs standard Hex tools. Compromised fasteners can be re-inserted in a pinch if a suitable replacement is not available. Technology provides up to 400% more torque on damaged fasteners. Rpt Socket Extractor Gripedge Tools 38 Piece Master RPT Screwdriver Set Sizes 1.5mm - 19mm And 1/16" - 3/4", 1/4" - 3/8" - 1/2" Drive Made From S2 Steel Incl S2 Steel T-handle Tools Large size markings for quick and easy identification., Sizes Included - 2, 2., 5, 3, 4, 5, 6, 8, 10 MM