Here is an awesome new tool from Bosch. If your drilling holes in concrete to do ASTM F-2170 you might need this. Expensive but heck, who wants to hit a cable or pipe or wire. Even detects plastic. Amazing.
7 construction barrier detection modes; concrete, wet concrete, deep concrete, in-floor heating, drywall, metal and signal view
http://www.amazon.com/dp/B005EM93R0/?tag=skimlinks_replacement-20
7 construction barrier detection modes; concrete, wet concrete, deep concrete, in-floor heating, drywall, metal and signal view
http://www.amazon.com/dp/B005EM93R0/?tag=skimlinks_replacement-20
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