Expert Quality, compatible with direct & indirect petrol engines which use 10, 12, 14 & 18mm spark plug threads. Attached with a digital LCD display gauge with a choice of three pressure settings 0-300psi/0-20BAR/0-2000k Pa & fitted with a heavy duty rubber protector. The braided stainless hose withstands high pressures whilst improving durability. Fitted with a spring-loaded pressure relief valve & integrated Schrader one-way valve system. Supplied in a plastic storage case.