Just bought another quarter stick for my new car after using one forever in the old ride.
They are bulletproof,
Don't know honestly how anything could work any better, they are foolproof

69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, low 10.30’s 1/4
1.41 best 60 foot
6.56 at 104.17