the rotation of plunger 67 beyond end recesses 62 c and 62 d referring now to fig5 a and 5b the housing and therefore display device 20 is rotatably fixed to the wrench body that is rotatable relative to wrench head 14 the embodiments as shown in fig5 a and 5b function in a similar manner to those embodiments shown in fig4 a and 4b with the following exceptions as shown in fig5 a a plurality of recesses 62 is provided at 15 u00b0 increments on an inner surface of wrench body 12 and a spring loaded detent 60 is received in a bore 64 formed in the strain tensor end of wrench head 14 as shown in fig5 b a plurality of recesses 62 is formed on the outer surface of the strain tensor and a spring loaded detent 60 is received in a bore formed in wrench body 14 similar to earlier discussed embodiments a pin and slot configuration between wrench body 12 and wrench head 14 can be used to limit the amount of rotation between the two also as shown in fig5 c a plunger 67 style detent and recess combination can be utilized to limit the amount of rotation as discussed above while applying torque to a fastener green 56 a yellow 56 b and red 56 c leds turn on or off depending on the peak torque value applied to the fastener up until that time preferably green led 56 a comes on as long as the peak torque value is below 75 of the preset torque value and is switched off.