Question: Who is the manufacturer of this tool? Many of these tools are knock-offs, so I want to be sure before I buy. Thanks

Product: EL-50448 TPMS Tire Pressure Monitor Activation Tool

Answer: Our TPMS tool is manufactured by the OE manufacturer for many of these TMPS tools on the market. I can assure you we do our best to source the highest quality tools. Let me know if you have any further questions. Thank you