diff --git a/inserts.scad b/inserts.scad
index 69e56c3..d15b7c9 100644
--- a/inserts.scad
+++ b/inserts.scad
@@ -56,7 +56,7 @@ module insert_clear(
 }
 
 module m4s_clear( bl=8, bz=-3.81, bhd=6, bhz=3.5, sh=.2, drop=false) {
-	insert_clear(bl=bl, bz=bz, bhd=bhd, bhz=bhz, bd=3.5, fd=5.6, fh=.5, od=4.8, il=3.81, sh=sh, drop=drop);
+	insert_clear(bl=bl, bz=bz, bhd=bhd, bhz=bhz, bd=4.8, fd=5.6, fh=.5, od=4.8, il=3.81, sh=sh, drop=drop);
 }
 
 //m4s_clear(bl=10,bz=-5, drop=true);