Rolson Digital Tyre Pressure Gauge 42974
Price: £8.21, Psi before drop: 33.5, Psi after drop: 35.5
At first, we found it difficult to distinguish between the Rolson and the Draper digital. But there are differences – the first being the latter’s ability to display in kpa. It was downhill from there, though, as the nozzle was tricky to use and readings were some way out.