Draper Expert Digital Petrol Compression Test Kit (8 Piece)

Compatible with direct and indirect petrol engines which use 10, 12, 14 and 18mm spark plug threads. Attached with a digital LCD display gauge with a choice of three pressure scales 0 – 300psi/0 – 20bar/0 – 2000kPa and fitted with a heavy duty rubber protector. The braided stainless steel hose improves durability. Fitted with a spring-loaded pressure relief valve and integrated Schrader one-way valve system. Supplied in a plastic storage case.