The present invention is for an extension set for spirit levels including a pair of discrete elongated U shaped profile spirit level extenders, and a pair of spirit level clamps for selectively and conveniently securing the spirit level extenders at {HEAD ~ opposite ends} of a spirit level for extending {TAIL ~ its nominal working length} 
for extending
The present invention is for an extension set for spirit levels including a pair of discrete elongated U shaped profile spirit level extenders , and a pair of spirit level clamps for selectively and conveniently securing the spirit level extenders at { HEAD ~ opposite ends } of a spirit level for extending { TAIL ~ its nominal working length }
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL