A ratchet wheel mounting arrangement in which {TAIL ~ a toothed arch block} is mounted in a smoothly arched notch disposed inside a box end of {HEAD ~ a ratchet wrench} 
A ratchet wheel mounting arrangement in which { TAIL ~ a toothed arch block } is mounted in a smoothly arched notch disposed inside a box end of { HEAD ~ a ratchet wrench }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD