This is great for servicing the airbag system if you don't already have a good airbag. This is a useful tool for diagnosing airbags GM Off-Road Pickup Trucks are very easy to use, just plug into the two connectors that normally connect to the driver's airbag. These emulators are for diagnostic/trouble purposes only. Or to make sure everything is working properly before attaching a new airbag. describe: Material: Made of ABS and plastic, durable and long service life. This emulator is for diagnostic trouble only. Just plug in the two plugs that normally connect to the driver's airbag. This is a useful tool for diagnosing airbag SRS systems. Fits most cars, trucks, SUVs, etc. Specifications:Material:ABS and Plastic color:black Size: Connector: 10mm Package includes: 1 x Car Airbag Simulator Tester. Package Including 4*Car detector