diff --git a/rpc/grpc/conn.go b/rpc/grpc/conn.go
new file mode 100644
index 00000000..40968b98
--- /dev/null
+++ b/rpc/grpc/conn.go
@@ -0,0 +1,19 @@
+package grpc
+
+import (
+	"io"
+)
+
+// Conn returns underlying connection.
+//
+// Conn is NPE-safe: returns nil if Client is nil.
+//
+// Client should not be used after Close() call
+// on the connection: behavior is undefined.
+func (c *Client) Conn() io.Closer {
+	if c != nil {
+		return c.con
+	}
+
+	return nil
+}