american grease stick mz-1h lock de-icer tube, 1/2 oz american grease stick sold as each. 1/2 oz. tube. thaws frozen locks. squirt into lock tip, fits into keyhole. quick and clean. flammable. manufacturer's number: mz-1h. buy hardware supplies sku #: 10715. country of origin: united states. distributed by american grease stick co.