Exclusive 12-point head, with special shouldered stop to hold the wrench, eliminates the need for special adjusting tools forged in-house from grade a 8740 alloy chrome moly steel and heat-treated throughout for a 190,000 psi tensile strength, not simply case hardened like others are threads are precision cnc-machined exactly perpendicular to the bottom of adjuster to ensure an optimum seat, even pressure, and maximum engagement bottom is flush-ground perpendicular to the threads, so it seats evenly, and the set screw has flush-machined tip for optimum contact and seating on stud designed for aluminum rockers.
Features - SKU: ZX9KSAO594131