Black with Resin Case / T4MN300: Drive: 12.7mm 1/2 40-300N・m / T4MN300. ・ Size: T4MN300: Drive: 12.7mm 1/2 40-300N・m. This is a torque wrench exclusively for tightening bolts and nuts. Since there is no need to read the main and sub-scales as in the past this is convenient for preventing setting errors and for checking and managing the tightening torque.
eBay