Sealey VSO563

Before you even use the Sealey, you can tell it’s an expensive gauge – but we can’t justify the high price when the Draper Expert (top) includes all the same features for far less. It’s super accurate – to two decimal places – and you can switch between inches and millimetres. There’s a quality case and good instructions, but the battery fell out when we drop tested the gauge, plus the LCD display