853/1 TZ ACRÂ® bits
Wera 853/1 TZ Tough Torsion ACRÂ® Bit, for Phillips screws.
ACRÂ®stands for "anti-cam-out ribs" ACRÂ® bits feature ribs at the tip of the drive which prevent any slipping from occurring out of the screw head (It is recommended that ACRÂ® bits are matched with ACRÂ® screws for maximum effect).
TZ-Bits are tough bits with a torsion zone. Torsion bits absorb the peak torque loads in the torsion zone, this prevents premature wear and enhances the service life of the bit.
1/4" Hexagon drive makes it suitable for DIN ISO 1173-D 6, 3 bit holders.