Photo 1 of General Tools Hand-held Heat Stress Monitor #WBGT8758, 32° to 122° F, 0 to 100% RH, 35 x 40 mm Brass Black Ball

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Photo 1 of General Tools Hand-held Heat Stress Monitor #WBGT8758, 32° to 122° F, 0 to 100% RH, 35 x 40 mm Brass Black BallPhoto 2 of General Tools Hand-held Heat Stress Monitor #WBGT8758, 32° to 122° F, 0 to 100% RH, 35 x 40 mm Brass Black BallPhoto 3 of General Tools Hand-held Heat Stress Monitor #WBGT8758, 32° to 122° F, 0 to 100% RH, 35 x 40 mm Brass Black Ball