Draper 92224 TG1-B Digital Tyre Tread Depth Gauge

Digital tread depth gauge with metric and imperial calibration and conversion between the two.
Clear LCD delivers easier reading and the zero setting function allows for comparative measurement.
Measuring range is 0 - 25mm/0 - 1" with an accuracy of ±0.01mm/0.00039".
Supplied with SR44 battery.