diff --git a/Firmware/ultralcd.cpp b/Firmware/ultralcd.cpp
index eab695e2..4364bef2 100755
--- a/Firmware/ultralcd.cpp
+++ b/Firmware/ultralcd.cpp
@@ -5383,11 +5383,23 @@ while (0)
 static void lcd_nozzle_diameter_cycle(void) {
     uint16_t nDiameter;
     switch(oNozzleDiameter){
+    case ClNozzleDiameter::_Diameter_150:
+        oNozzleDiameter=ClNozzleDiameter::_Diameter_200;
+        nDiameter=200;
+        break;
+    case ClNozzleDiameter::_Diameter_200:
+        oNozzleDiameter=ClNozzleDiameter::_Diameter_250;
+        nDiameter=250;
+        break;
     case ClNozzleDiameter::_Diameter_250:
         oNozzleDiameter=ClNozzleDiameter::_Diameter_400;
         nDiameter=400;
         break;
     case ClNozzleDiameter::_Diameter_400:
+        oNozzleDiameter=ClNozzleDiameter::_Diameter_500;
+        nDiameter=600;
+        break;
+    case ClNozzleDiameter::_Diameter_500:
         oNozzleDiameter=ClNozzleDiameter::_Diameter_600;
         nDiameter=600;
         break;
@@ -5417,8 +5429,11 @@ do\
     float fNozzleDiam;\
     switch(oNozzleDiameter)\
     {\
+        case ClNozzleDiameter::_Diameter_150: fNozzleDiam = 0.15f; break;\
+        case ClNozzleDiameter::_Diameter_200: fNozzleDiam = 0.20f; break;\
         case ClNozzleDiameter::_Diameter_250: fNozzleDiam = 0.25f; break;\
         case ClNozzleDiameter::_Diameter_400: fNozzleDiam = 0.4f; break;\
+        case ClNozzleDiameter::_Diameter_500: fNozzleDiam = 0.5f; break;\
         case ClNozzleDiameter::_Diameter_600: fNozzleDiam = 0.6f; break;\
         case ClNozzleDiameter::_Diameter_800: fNozzleDiam = 0.8f; break; \
         case ClNozzleDiameter::_Diameter_1000: fNozzleDiam = 1.0f; break;\
diff --git a/Firmware/util.h b/Firmware/util.h
index 82fea70f..21a92d2a 100644
--- a/Firmware/util.h
+++ b/Firmware/util.h
@@ -48,8 +48,11 @@ enum class ClPrintChecking:uint_least8_t
 
 enum class ClNozzleDiameter:uint_least8_t
 {
+    _Diameter_150=15,
+    _Diameter_200=20,
     _Diameter_250=25,
     _Diameter_400=40,
+    _Diameter_500=50,
     _Diameter_600=60,
     _Diameter_800=80,
     _Diameter_1000=100,