these wrenches have a "through-hole" design (ie, deep socket recess) that accommodates threaded rod or bar for extra leverage without affecting the wrench strength. Great for spinning on fasteners (eg, lug bolts and nuts) before using a torque wrench.
6 point socket at long end, 12 point at the short end
Chrome vanadium steel
Satin chrome finish
Comparable to Facom 76 series wrench and module set