1/4" drive torque wrench - range of 2-24 NM (1.5-17.7 FT-LB). 3/8" drive torque wrench - range of 10-140 NM (7.4-103.2 FT-LB). 1/2" drive torque wrench - range of 20-230NM (14.7-169.5 FT-LB). The contrast marking of the scale make it easy to read.
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