The other end of the connection is designed to fit the handle. Before the two are connected, the handles are inspected and finished. Wood handles may be sanded or smoothed and painted, and tubular steel is inspected for rough edges or irregularities. Plastic-coated steel handles for wet mops are also checked carefully to make sure that the coating is uniform so water will not damage exposed metal. Mechanical attachments and handles are joined together; again, metal stampings usually lock them in place.