<table border="1" cellspacing="0" cellpadding="8"><tbody><tr><td>Pipe Class</td><td>Not Rated</td><td>Connectivity</td><td>Male</td></tr><tr><td>Pressure</td><td>Low Pressure</td><td>Surface Treatment</td><td>Nickel Plated</td></tr><tr><td>Technic</td><td>Forged</td><td>shape</td><td>Equal</td></tr><tr><td>System of Measurement</td><td>inch</td><td>head code</td><td>Hexagon</td></tr><tr><td>Mounting hole diameter</td><td>4-12mm</td><td>customized support</td><td>OEM, ODM</td></tr></tbody></table>