• ACR (anti-cam-out feature)
• Prevent any slipping out of the screw head
• Torsion zone for absorption of peak loads
• Enhanced service life of the bits

High-quality bits with Torsion zone: where kinetic energy is diverted from peak loads. This greatly extends the product service life. Come with rough ribs (anti-cam-out feature, ACR). Tough viscous, for universal use; 1/4" hexagon, suitable for holders as per DIN ISO 1173-D 6.3.