Create a successful giveaway for car enthusiasts with this tire pressure gauge! It's a pen-style tool with a clip and it measures from 5 PSI up to 50 PSI (0.4 kg up to to 3.5 kg). By using this tool to check for proper inflation of your tires, clients will be able to improve their gas mileage. Laser engrave this with your company name or logo and make this available at a auto show or dealership. What a great way to get on your clients' good side!