http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=99741 click on "download product manual" tab http://www.harborfreight.com/manuals/99000-99999/99741.pdf Unless you can get Harbor Freight to tell you who makes their low quality tools, you are up a creek, I'm sure they come from somewhere in mainland China. The above link someone else left on this question does not answer your question, it only gets you Harbor Freight's phone number and information. Next time I hope whoever "tries" to answer a question they will bother to verify that their answer will actually help. Sorry I couldn't be of any help either, I have my own need for the manufacturer's contact information for another Harbor Freight item that has bad parts in it.
check with harbor freight tools
Check the owners manual or the driver door jamb sticker for the correct pressure for a vehicleCheck the owners manual or the driver door jamb sticker for the correct pressure for a vehicle
Check the owners manual.
tire pressure
The recommended tire pressure is listed in your owners manual and on the drivers door post.
The correct pressure is listed in your owners manual and on the drivers door post.
The tire sidewall will list the max pressure.Check the owners manual or the driver door jamb sticker for the correct pressure for the vehicleThe tire sidewall will list the max pressure.Check the owners manual or the driver door jamb sticker for the correct pressure for the vehicle
The tire sidewall will list the max pressure.Check the owners manual or the driver door jamb sticker for the correct pressure for the vehicleThe tire sidewall will list the max pressure.Check the owners manual or the driver door jamb sticker for the correct pressure for the vehicle
The tire sidewall will list the max pressure.Check the owners manual or the driver door jamb sticker for the correct pressure for a vehicleThe tire sidewall will list the max pressure.Check the owners manual or the driver door jamb sticker for the correct pressure for a vehicle
The tire sidewall will list the max pressure.Check the owners manual or the driver door jamb sticker for the correct pressure for the vehicleThe tire sidewall will list the max pressure.Check the owners manual or the driver door jamb sticker for the correct pressure for the vehicle
The tire sidewall will list the max pressure.Check the owners manual or the driver door jamb sticker for the correct pressure for a vehicleThe tire sidewall will list the max pressure.Check the owners manual or the driver door jamb sticker for the correct pressure for a vehicle
Look in the owners manual.