Pro Lab Instant Results Carbon Monoxide Test Kit Pack options:Pack of 1 Metal shots inside head combine

Metal shots inside head combine to provide maximum controlled striking force without rebound

flat steel fish tape without damaging the tape

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Adjustable worm drive circular saw rip fence eliminates repeated measuring and marking on rip work

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Pro Lab Instant Results Carbon Monoxide Test Kit Pack options:Pack of 1 Metal shots inside head combineCarbon monoxide test kit that is more sensitive than electronic detectors, detecting as little as 50 ppm (parts per million) of the invisible and odorless gas, before it becomes dangerous to you and your family. The kit contains a badge and 2 yellow chemical sensor buttons that turn grey when in contact with carbon monoxide gas. The instant detectors are reusable and, once opened, each button will last up to 3 months (90 days). Blister pack.