Package included:<br />Standoff: Length 3 ~ 25mm  [not include thread length]<br />10x3mm brass male-female standoff <br />10x5mm brass male-female standoff <br />10x8mm brass male-female standoff  <br />10x10mm brass male-female standoff <br />10x12mm brass male-female standoff  <br />10x15mm brass male-female standoff <br />10x18mm brass male-female standoff <br />10x20mm brass male-female standoff <br />10x25mm brass male-female standoff <br />Thread length:Approx 3mm.<br />Outside diameter: 3.3+/-0.2mm.<br />Thread: M2 (2mm)， thread pitch: 0.4mm<br />90x M2 4mm Steel Screw<br />90x M2 Steel Nut<br />1x Plastic Box