PCL ACCURA® MK4 Digital Tyre Inflator with 21" (0.53m) Single Clip On Hose. ACCURA® MK4 Digital Tyre Inflator which marries the ruggedness of a metal analogue inflator with the lightness, accuracy and ease of use of a digital gauge... The PCL AirForce® MK4 tyre inflator range has become industry standard in garages, petrol forecourts tyre depots for over 25 years. The digital age is now upon us and PCL are firmly committed to offering the same features and benefits that have stood the test of time with the advancements in digital technology... Introducing the new ACCURA® MK4 Digital Tyre Inflator which marries the ruggedness of a metal analogue inflator with the lightness, accuracy and ease of use of a digital gauge. As robust as ever and highly accurate, offering leading inflation and.