MSA 10106729 Replacement Oxygen Sensor for ALTAIR 4XR ALTAIR 5X Gas Detectors, 0 30% Vol G0062605 Unbreakable Handle Technology Handle Color Unbreakable Handle Technology Handle Color Black Tether Style Standard Tool (Accessory Needed for Tethering) Striking Surface Hardness 30 HRC Face Material Drop Forged Steel Dead Blow Hammer No Hammer Type Sledge Hammer Double Faced Yes Face Shape Round Tether Ready Yes Grip Style Textured Grip Material Rubber Replaceable Handle No Series B Rating 40 Degrees F Handle Style Folding Standards IP67 Water and Air Tight O Ring EPDM Max ALTAIR 5X Sensor Type Catalytic Operating Temperature Minimum 14 Degrees F Sensor Life 4 yr Measurement Range 0 to 30% vol Gas Detected Oxygen Compatible Detector Manufacturer Part Number 10107602 Measurement Range 0 to 30 Percent vol