SUB-SCANNER™ M12™ Detection Tool

The SUB-SCANNER™ M12™ Lithium-Ion Detection Tool is a heavy duty pistol grip detection tool for professional commercial and industrial applications. Powered by the Milwaukee M12™ REDLITHIUM ™ battery, the 2291-21 can detect rebar up to 6" deep in concrete, as well as the location of wood and metal studs beneath drywall. In addition, the SUB-SCANNER™ M12™ Lithium-Ion Detection Tool has a four wheel design for durability and smooth, accurate measurement. The 2291-21 is covered by the Milwaukee 5-Year Warranty.

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  • Measures Depth and Location of Rebar Up To 6” Through Concrete
  • Detects Location of Wood and Metal Studs
  • Differentiates Between Steel (Ferrous) and Copper or Aluminum (Non-Ferrous) Metals
  • Intuitive user interface displays stud centers and edges
  • High contrast white on black display and backlight for easy reading
  • Rugged over-molding improves durability and user grip
  • One button calibration for all surfaces
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Product Specifications

Tool Warranty 5 Years
Switch Type On/Off Button
Backlight Yes
Display Resolution 0.5"
Scanning Depth Stud Mode 1-1/2"
Scanning Depth Metal Mode 6"
Accuracy Stud Center 1/4"
Accuracy Metal Center 1/2"
Displays Metal Depth Yes
Differentiaties between Ferrous and Non Ferrous Yes
Displays stud Position Yes
Auto Calibration Yes
Battery M12™ REDLITHIUM™ Rechargeable
Power Source Cordless