SPI Electronic Tire Tread Depth Gage Designed for depth measurements of shoulders, small bores or inside grooves. Specifications include... 0-1" / 25mm Measuring Range 0.0005" / 0.01mm / 1/32" Resolution +0.0015" Accuracy Features include... Large LCD Display Zero-set at any point Rod Diameter: 3/32" Base Dimensions: 2" long x 1/4" wide Spring Loaded Movement Hold Reading function UPS Ground shipping ONLY
