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The HM-591 Asphalt Depth Gauge makes accurate asphalt thickness measurements quickly. Depth measurements up to 11-3/4in (298mm) in 1/4in increments can be made from the back of the paver or curbside with no need to step directly on hot asphalt. Depth rod doesn’t pull on asphalt when retracted and leaves a small hole easily closed by a roller. Storage bracket may be mounted directly to paver or pickup truck bed and holds the gauge securely in place with a spring clamp and PVC cup.
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