diff --git a/geometry/estia_guides.i b/geometry/estia_guides.i
index 03e5042..70fd9e8 100644
--- a/geometry/estia_guides.i
+++ b/geometry/estia_guides.i
@@ -64,9 +64,9 @@ c steel plate below system
 c aluminum plate adjusting system
 207025    5 0.0582256    207222 -207223 207201 -207202 207213 -207204
 c shimming plates (steel)
-207031    4 -1.2E-3   207222 -207223 -207225 -207201 207211 -207203
-207032    4 -1.2E-3   207222 -207223 -207226  207202 207211 -207203
-207033    4 -1.2E-3   207222 -207223 -207225 -207226 207203 -207214
+207031    54 0.0833854   207205 -207206 -207225 -207201 207211 -207203
+207032    54 0.0833854   207205 -207206 -207226  207202 207211 -207203
+207033    54 0.0833854   207205 -207206 -207225 -207226 207203 -207214
 c ---- Outside of Bunker
 c -- Shielding Walls --
 c concrete floor