Take the guesswork out of determining when your tires are dangerously low on tread or are wearing unevenly with our Tire Tread Depth Gauge. Average new automobile tire typically start with 10/32" to 11/32" of original tread depth and are legally worn out with just 2/32" of remaining tread depth. Useable tread depth is calculated by subtracting 2/32" from the tires' new tread depth. Knowing your tread depth helps you maximizes tire life and enhances your driving ability and maximize safety. 3 1/2" H x 1" W
