Computer-controlled heat treatment for 120 times service-life over Wiha standard bits
Tuned torsion zone for maximum flex and reduced tip stress
CVM premium quality tool steel for strength and durability
Exact fit precision machined Phillips tips for reduced cam-out
Fit with a standard 1/4 inch hex drive
Bit lengths available: 1-inch; 2-inch; 3.5-inch
Impact-rated for power tool applications
Minimum hardness tolerance of 61 RHC /- 1