21-E Behind-The-Wall Probe with 4" Pins;
21-E Behind-The-Wall Probe with 4

Buy Now From Amazon



  • 21-E Behind-The-Wall Probe with Teflon-insulated #608 pins provide up to 3-1/4” penetration
  • Test insulation behind drywall, stucco, and roofing materials
  • 21-E Behind-The-Wall Probe with Teflon-insulated #608 pins provide up to 3-1/4” penetration
  • Test insulation behind drywall, stucco, and roofing materials