click-typefor torque-controlled bolt tightening in the cN·m and in·lb rangesfor one-off or production runsanticlockwise and clockwise tighteningwith 1/4" internal hex drive (F 6.3 DIN 3126/ISO1173)infinitely variable via micrometer scale (twist scale)disengaging clutch coupling prevents the preset value being exceededthe shape of the handle and its surface texture ensure safe and accurate transmission of torqueinsert tools: For all 1/4" hex E 6.3, PHILLIPS® head screws, POZIDRIV®/SUPADRIV®, straight-slot, TORX®, hex bits certificate in accordance with DIN EN ISO 6789-2:2017display deviation value ± 6%