diff --git a/devices/slithop neg blade.properties b/devices/slithop neg blade.properties
index 3091d2e..85a056f 100644
--- a/devices/slithop neg blade.properties	
+++ b/devices/slithop neg blade.properties	
@@ -1,14 +1,14 @@
-#Tue Nov 24 17:03:11 CET 2015
-defaultSpeed=NaN
+#Tue Nov 24 17:04:11 CET 2015
+defaultSpeed=1.0
 estbilizationDelay=0
 hasEnable=false
 homingType=None
 maxSpeed=NaN
-maxValue=NaN
-minSpeed=NaN
-minValue=NaN
+maxValue=22.100000381469727
+minSpeed=0.20000000298023224
+minValue=-20.899999618530273
 offset=0.0
-precision=-1
-resolution=NaN
+precision=5
+resolution=0.0020000000949949026
 scale=1.0
-unit=null
+unit=mm
diff --git a/devices/slithop pos blade.properties b/devices/slithop pos blade.properties
index 3091d2e..85a056f 100644
--- a/devices/slithop pos blade.properties	
+++ b/devices/slithop pos blade.properties	
@@ -1,14 +1,14 @@
-#Tue Nov 24 17:03:11 CET 2015
-defaultSpeed=NaN
+#Tue Nov 24 17:04:11 CET 2015
+defaultSpeed=1.0
 estbilizationDelay=0
 hasEnable=false
 homingType=None
 maxSpeed=NaN
-maxValue=NaN
-minSpeed=NaN
-minValue=NaN
+maxValue=22.100000381469727
+minSpeed=0.20000000298023224
+minValue=-20.899999618530273
 offset=0.0
-precision=-1
-resolution=NaN
+precision=5
+resolution=0.0020000000949949026
 scale=1.0
-unit=null
+unit=mm