<table border="1" cellspacing="0" cellpadding="8"><tbody><tr><td>Standard</td><td>Non-standard</td><td>Material</td><td>Brass</td></tr><tr><td>Heat Treatment</td><td>NO</td><td>Hardness</td><td>Material hardness</td></tr><tr><td>Surface treatment</td><td>Natural</td><td>Coat thickness</td><td>NO</td></tr><tr><td>Grade</td><td>A</td><td>Process</td><td>Stamping process</td></tr><tr><td>Function</td><td>Clamp</td><td>Stock</td><td>Pls consult our customer service staff</td></tr></tbody></table>