The Milton S-448 Tire Tread Depth Gauge Pack of 10 is an electro mechanical gauge designed to accurately measure the tread depth of tires on vehicles. Manufactured by Milton, a trusted brand in the industry, this pack of 10 gauges is made in the United States and suitable for use on both front and rear tires. With a California Prop 65 Warning, this product ensures users are aware of potential chemical hazards associated with its use. Ideal for automotive maintenance and troubleshooting, this tire tread depth gauge pack is a reliable tool for ensuring optimal tire condition and safety on the road. BRAND NEW FROM AMAZON FREE SHIPPING WITH USPS PRIORITY MAIL