A variety of {HEAD ~ ratchet socket wrenches} for turning hexagon head bolts and {TAIL ~ hexagon nuts} has appeared on the market 
for turning
A variety of { HEAD ~ ratchet socket wrenches } for turning hexagon head bolts and { TAIL ~ hexagon nuts } has appeared on the market
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH