diff --git a/sale_usability/security/ir.model.access.csv b/sale_usability/security/ir.model.access.csv
new file mode 100644
index 0000000..5e49646
--- /dev/null
+++ b/sale_usability/security/ir.model.access.csv
@@ -0,0 +1,3 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+sale.access_product_uom_categ_sale_manager,product.uom.categ for settings grp,product.model_product_uom_categ,base.group_system,1,1,1,1
+sale.access_product_uom_sale_manager,product.uom for settings grp,product.model_product_uom,base.group_system,1,1,1,1