Tapcon 3153407 Concrete Anchor Screw 1 1 4 in Overall Lg, 1 4 in Dia, Steel, Climaseal, Hex, Steel, 100 PK 31FN10 000 Includes Mounting Hardware No 000 Includes Mounting Hardware No IP NEMA Rating IP65 Pressure Range Type Pressure Adjustable Set Points No Primary Display Units psi Primary Units psi Process Temperature Range 14 Degrees to 140 Degrees F With Calibration Certificate Standard Gauge Battery Type (2) C Batteries Hazardous Location Rating Not Rated Includes Batteries Yes Weatherproof Yes Power Source Battery Non Sparking No Process Connection Location Bottom Includes Calibration Certificate No Data Update Frequency 100 msec It also features butterfly opening action and locks into place when fully opened or closed Maximum Material Thickness 1 4 in Concrete Anchor Screw