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837 i RA Kraftform blade-holding handle with ratchet functionality

Individually tested

The individual testing at 10,000 volts, in accordance with IEC 60900, ensures safe working with loads up to 1,000 volts.

Kraftform

The basic idea for the prototype of the Kraftform handle - that the hand should dictate the design - has, right through to today, proved to be correct. In cooperation with the internationally recognised Fraunhofer IAO Institute, Wera developed a screwdriver handle designed to match the shape of the human hand as long ago as the 1960s. After a long development phase, the Wera Kraftform handle was launched to the market in 1968. It has been optimised through the years with new technologies, but has kept its proven shape. After all, the human hand has not changed either.

Kraftform Kompakt VDE bitholding screwdriver with ratchet functionality
The integrated ratchet with fine toothing ensures fast and safe working
High working speed: The ratchet can also be used to "spin" when screwdriving
Ergonomic intuitive switching to clockwise/counterclockwise or position 0
Kraftform Plus handle for comfortable ergonomic work
Smooth hard zones for high speed turning, soft grip zones for high torque transfer
Hexagonal anti-roll feature against rolling away
Exclusively for Wera VDE interchangeable blades

The 837 i RA bitholding screwdriver with ratchet functionality

The integrated ratchet with fine toothing (40 teeth and a return angle of 9°) eases and accelerates screwdriving without having to reposition the tool.

Rapid screwdriving

The ratchet mechanism also allows fast "spinning" while screwdriving.

Individually tested

The individual testing at 10,000 volts, in accordance with IEC 60900, ensures safe working with loads up to 1,000 volts.

Kraftform

Kraftform Kompakt VDE bitholding screwdriver with ratchet functionality
The integrated ratchet with fine toothing ensures fast and safe working
High working speed: The ratchet can also be used to "spin" when screwdriving
Ergonomic intuitive switching to clockwise/counterclockwise or position 0
Kraftform Plus handle for comfortable ergonomic work
Smooth hard zones for high speed turning, soft grip zones for high torque transfer
Hexagonal anti-roll feature against rolling away
Exclusively for Wera VDE interchangeable blades

The 837 i RA bitholding screwdriver with ratchet functionality

The integrated ratchet with fine toothing (40 teeth and a return angle of 9°) eases and accelerates screwdriving without having to reposition the tool.

837 i RA Kraftform blade-holding handle with ratchet functionality

05057490001

Article description

Bitholding screwdriver for Wera Kraftform Kompakt VDE blades with ratchet with fine toothing integrated in the handle (40 teeth/return angle 9°). The ratchet accelerates screwdriving without having to reposition the tool. The ratchet mechanism completely embedded in the handle ensures very handy and comfortable work. The handle/blade system allows for lightning-fast change of the required blade and thus a wide range of applications.