Thunder Zone Impact driver bits, with an engineered spiral torsion zone, distributes the applied impact evenly throughout the torsion zone, allowing higher impact loads and greatly extended bit life.
- The ultimate torsion bit for impact drivers
 - Patented spiral impact zone distributes torque evenly
 - Premium Quality S2 raw material
 - Full body hardness – for a longer service life
 - Compression forged tip – for an ideal fit & to reduce breakage
 - Magnetised bits
 - HEX5 x 25mm