The 72-toothinner ring ofspecial high alloy steelratcheting even whenone lever movementof 5°.Nevertheless, thetorque transmission capacityfar exceeds the DIN/ISO.StemsfromCrV steelwith optimumsurface protection:2xnickel-platedand1xplated.Clearly legiblewrench sizesthrough lasermarking process!
Afolding over of the15 °angledhead (ring side)is not possible.Therefore, thistype of keyhas aleverswitchforclockwise and anticlockwise rotation.Idealfor screwingonend faces.