The manual impact wrench function can be switched on if required to loosen even stubborn screw connections.
Combination tool
The 921 impact screwdriver combines the advantages of interchangeable blade sets, chiseldrivers and manual impact wrenches.

Impact wrench function can be switched on and off

Loosening moment
With the impact wrench function switched on, the hammer blow impulse is converted into a rotary movement with a loosening moment of up to 25 Nm. Power transmission without loss via a pound-thru blade.

Higher power transmission when the impact wrench function is deactivated
When the impact wrench function is deactivated, the hexagon bolster can be operated with a size 13 spanner for greater power transmission.

Handle/interchangeable blade system
The robust bit mounting is suitable for bits with 1/4" external hexagon drive as per DIN ISO 1173-C 6.3 and E 6.3. The interchangeable blade system means low weight, reduced space requirement and high flexibility for the user.

For use with 921 impact screwdriver
The Wera impact screwdriver bits are particularly suitable for use with the Wera 921 impact screwdriver.

Long life span
The extra tough bits stand out with their particularly long service life. Premature breakage is prevented.





