<table border="1" cellspacing="0" cellpadding="8"><tbody><tr><td>Pipe Class</td><td>125</td><td>Connectivity</td><td>Welding</td></tr><tr><td>Surface Treatment</td><td>Cleaning Supplies</td><td>Technic</td><td>Molding</td></tr><tr><td>shape</td><td>Customized</td><td>head code</td><td>Square</td></tr><tr><td>Mounting hole diameter</td><td>0.25 in</td><td>customized support</td><td>ODM, OBM</td></tr></tbody></table>