diff --git a/docs/hardware/OpenScanClassic.md b/docs/hardware/OpenScanClassic.md
index 63dcc96..58d1c68 100644
--- a/docs/hardware/OpenScanClassic.md
+++ b/docs/hardware/OpenScanClassic.md
@@ -23,6 +23,7 @@ The OpenScan Classic is a compact desktop 3D scanner capable of scanning objects
 * 2x M2x6 Nylon Standoff
 * 2x M2 Nuts
 * (2x M2x12 Nylon Screw if you use the Pi Camera module)
+* 2x Steel pin (d=6mm, l>50mm)
 
 3d printed parts: