<table border="1" cellspacing="0" cellpadding="8"><tbody><tr><td>measurement system</td><td>Metric</td><td>material</td><td>Brass</td></tr><tr><td>Grade</td><td>Class 4.8 & 6.8</td><td>Thread Type</td><td>Standard Thread</td></tr><tr><td>head style</td><td>Binding</td><td>finish</td><td>Nickel Plated, Brass Plated, Copper Plated</td></tr><tr><td>Driven Type</td><td>Thumb</td><td>Surface Treatment</td><td>Nickel Plating</td></tr></tbody></table>