diff --git a/devices/slit1HBlade1.properties b/devices/slit1HBlade1.properties
deleted file mode 100644
index a9015ba..0000000
--- a/devices/slit1HBlade1.properties
+++ /dev/null
@@ -1,12 +0,0 @@
-#Wed Apr 01 18:23:29 CEST 2015
-accessType=ReadWrite
-defaultSpeed=1.0
-maxSpeed=100.0
-maxValue=NaN
-minSpeed=0.001
-minValue=NaN
-offset=0.0
-precision=3
-resolution=NaN
-scale=1.0
-unit=null
diff --git a/devices/slit1HBlade2.properties b/devices/slit1HBlade2.properties
deleted file mode 100644
index f457eba..0000000
--- a/devices/slit1HBlade2.properties
+++ /dev/null
@@ -1,12 +0,0 @@
-#Wed Apr 01 18:23:39 CEST 2015
-accessType=ReadWrite
-defaultSpeed=1.0
-maxSpeed=100.0
-maxValue=NaN
-minSpeed=0.001
-minValue=NaN
-offset=0.0
-precision=3
-resolution=NaN
-scale=1.0
-unit=null
diff --git a/devices/slit1VBlade1.properties b/devices/slit1VBlade1.properties
deleted file mode 100644
index 7cb2477..0000000
--- a/devices/slit1VBlade1.properties
+++ /dev/null
@@ -1,12 +0,0 @@
-#Wed Apr 01 18:19:05 CEST 2015
-accessType=ReadWrite
-defaultSpeed=1.0
-maxSpeed=100.0
-maxValue=NaN
-minSpeed=0.001
-minValue=NaN
-offset=0.0
-precision=5
-resolution=NaN
-scale=1.0
-unit=null
diff --git a/devices/slit1VBlade2.properties b/devices/slit1VBlade2.properties
deleted file mode 100644
index 8c9cf6f..0000000
--- a/devices/slit1VBlade2.properties
+++ /dev/null
@@ -1,12 +0,0 @@
-#Wed Apr 01 18:19:11 CEST 2015
-accessType=ReadWrite
-defaultSpeed=1.0
-maxSpeed=100.0
-maxValue=NaN
-minSpeed=0.001
-minValue=NaN
-offset=0.0
-precision=5
-resolution=NaN
-scale=1.0
-unit=null
diff --git a/devices/slit2H neg blade.properties b/devices/slit2H neg blade.properties
index a5158a2..6cd4c11 100644
--- a/devices/slit2H neg blade.properties	
+++ b/devices/slit2H neg blade.properties	
@@ -6,7 +6,7 @@ maxValue=NaN
 minSpeed=0.001
 minValue=NaN
 offset=0.0
-precision=-1
+precision=3
 resolution=NaN
 scale=1.0
-unit=null
+unit=mm
diff --git a/devices/slit2H pos blade.properties b/devices/slit2H pos blade.properties
index a5158a2..6cd4c11 100644
--- a/devices/slit2H pos blade.properties	
+++ b/devices/slit2H pos blade.properties	
@@ -6,7 +6,7 @@ maxValue=NaN
 minSpeed=0.001
 minValue=NaN
 offset=0.0
-precision=-1
+precision=3
 resolution=NaN
 scale=1.0
-unit=null
+unit=mm
diff --git a/devices/slit2HBlade1.properties b/devices/slit2HBlade1.properties
deleted file mode 100644
index c64d464..0000000
--- a/devices/slit2HBlade1.properties
+++ /dev/null
@@ -1,12 +0,0 @@
-#Wed Apr 01 18:41:52 CEST 2015
-accessType=ReadWrite
-defaultSpeed=1.0
-maxSpeed=100.0
-maxValue=NaN
-minSpeed=0.001
-minValue=NaN
-offset=0.0
-precision=-1
-resolution=NaN
-scale=1.0
-unit=null
diff --git a/devices/slit2HBlade2.properties b/devices/slit2HBlade2.properties
deleted file mode 100644
index c64d464..0000000
--- a/devices/slit2HBlade2.properties
+++ /dev/null
@@ -1,12 +0,0 @@
-#Wed Apr 01 18:41:52 CEST 2015
-accessType=ReadWrite
-defaultSpeed=1.0
-maxSpeed=100.0
-maxValue=NaN
-minSpeed=0.001
-minValue=NaN
-offset=0.0
-precision=-1
-resolution=NaN
-scale=1.0
-unit=null
diff --git a/devices/slit2V neg blade.properties b/devices/slit2V neg blade.properties
index a5158a2..6cd4c11 100644
--- a/devices/slit2V neg blade.properties	
+++ b/devices/slit2V neg blade.properties	
@@ -6,7 +6,7 @@ maxValue=NaN
 minSpeed=0.001
 minValue=NaN
 offset=0.0
-precision=-1
+precision=3
 resolution=NaN
 scale=1.0
-unit=null
+unit=mm
diff --git a/devices/slit2V pos blade.properties b/devices/slit2V pos blade.properties
index a5158a2..6cd4c11 100644
--- a/devices/slit2V pos blade.properties	
+++ b/devices/slit2V pos blade.properties	
@@ -6,7 +6,7 @@ maxValue=NaN
 minSpeed=0.001
 minValue=NaN
 offset=0.0
-precision=-1
+precision=3
 resolution=NaN
 scale=1.0
-unit=null
+unit=mm
diff --git a/devices/slit2VBlade1.properties b/devices/slit2VBlade1.properties
deleted file mode 100644
index c64d464..0000000
--- a/devices/slit2VBlade1.properties
+++ /dev/null
@@ -1,12 +0,0 @@
-#Wed Apr 01 18:41:52 CEST 2015
-accessType=ReadWrite
-defaultSpeed=1.0
-maxSpeed=100.0
-maxValue=NaN
-minSpeed=0.001
-minValue=NaN
-offset=0.0
-precision=-1
-resolution=NaN
-scale=1.0
-unit=null
diff --git a/devices/slit2VBlade2.properties b/devices/slit2VBlade2.properties
deleted file mode 100644
index c64d464..0000000
--- a/devices/slit2VBlade2.properties
+++ /dev/null
@@ -1,12 +0,0 @@
-#Wed Apr 01 18:41:52 CEST 2015
-accessType=ReadWrite
-defaultSpeed=1.0
-maxSpeed=100.0
-maxValue=NaN
-minSpeed=0.001
-minValue=NaN
-offset=0.0
-precision=-1
-resolution=NaN
-scale=1.0
-unit=null