{TAIL ~ The extension} 1 wherein a spirit level clamp includes at least one resiliently hinged clamping member for bearing on a spirit levels opposite {HEAD ~ face} for clamping a spirit level in a spirit level extender 
{ TAIL ~ The extension } 1 wherein a spirit level clamp includes at least one resiliently hinged clamping member for bearing on a spirit levels opposite { HEAD ~ face } for clamping a spirit level in a spirit level extender
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 HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH