Keep your locks working smoothly with this pack of (4) Subzero Lock De-icer. The 0.62 fl oz fluid thaws and lubricates frozen locks, making them easier to open. This product is ideal for use on all types of locks, and it is perfect for those who live in cold climates. The Subzero Lock De-icer pack comes with one bottle of fluid, and it does not include any warranty. The product is manufactured in Taiwan, and it has a manufacturer part number of 22-5-00500-SZ. Use it on any lock to keep it working smoothly and efficiently.