The B-G Digital Tyre Tread Depth Gauge is a quick and easy way to check the remaining tread on your tyres, giving an accurate reading in either metric or imperial units to a resolution of 0.01mm/0.001”. Sold in a protective plastic case and featuring a brushed stainless body, the B-G Digital Tyre Tread Depth Gauge is a high-quality addition to your toolbox and is ideal for quickly checking the condition of your tyres ahead of a long road trip or after a day at the track. LR44 Battery is included.