The Astro Pneumatic2-in-1 Tire Pressure And Tread Depth Gauges, Nos. 3085 and 3086,measure tire pressure from 0 to 80 psi. They include a probe for measuring tire tread depth for 0" to 13/32" in 1/32" and 1mm increments. Both gauges are built to hold the tire pressure reading on the dial face until cleared, meet ANSI standards for pressure accuracy and are constructed with a shock-proof design and rubber sleeve for durability. The 3086 includes a stainless steel braided hose.