diff --git a/README.md b/README.md
index 3377ebb..9a56d26 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,16 @@ Pay special attention to the stepper direction and stepper step/angle, these are
 - 1x y 0.9 nema 17
 - 1x extruder [0.9 nema 17 pancake](https://www.ratrig.com/nema-17-stepper-motor-slimline.html)
 
+Note: the stepper except the pancake one have the following specs:
+``` 
+Draaddikte: 	24 Awg 	Aantal draden: 	4
+Nominale stroom: 	1,7 A 	Weerstand: 	1,8 Ω
+Afmetingen: 	42,3 x 42,3 x 48 mm (LxBxH) 	As diameter: 	5 mm
+Voltage: 	3,1 V 	Stap hoek: 	0,9 °
+Houdkoppel: 	4.2 kg-cm 	As lengte: 	22 mm
+Montagegat: 	M3 
+```
+
 ##### Carriage
 - 1x [Eva 2.0](https://main.eva-3d.page/)