{TAIL ~ The spirit level clamps} are designed to clamp a spirit level in a spirit level extender, and preferably include a lateral securing arrangement for precluding lateral movement of a spirit level in {HEAD ~ a spirit level extender} 
{ TAIL ~ The spirit level clamps } are designed to clamp a spirit level in a spirit level extender , and preferably include a lateral securing arrangement for precluding lateral movement of a spirit level in { HEAD ~ a spirit level extender }
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD