Depth gauge dive watches are not only unique, they’re also useful as a backup instrument should you decide to — gasp! — actually take them diving. As always, you have a difficult choice between two ...

When diving, it is as important to know your depth as it is your time. For most divers nowadays, this means using a digital dive computer that puts all the data on your wrist. But for those who prefer ...

Low tire tread depth can be a safety issue. When the road is wet, low tread depth can cause the tire to hydroplane, or skim across the surface of the water, which can make you lose control. You also ...

Easy-to-read scales are crucial on tread depth gauges – you need to see the legal limit and markings clearly. Good instructions help. We measured two tyres, rating accuracy against an MoT-standard ...