This silicone cover is suitable for all Prisma Electronics Hiprema 4 and 5 digital tyre pressure gauges, protecting them from shocks and from normal wear and tear during use. The cover is slim in design and a Prisma tyre pressure gauge will fit snugly into it. There is an open slot at the bottom of the case for the hose and also for an infrared sensor.Improves the level of waterproofing, covering all the screws of the gaugeProtects the internal electronics against vibrationsProvides protection should the gauge be accidently dropped or knockedThe silicone cover will keep the gauge in a new condition and when the cover is warn out after so much use it can be easily replaced so your gauge will be looking like new again.