The Draper 37 Piece Petrol and Diesel Master Engine Compression Test Kit is a comprehensive diagnostic tool designed for testing engine compression across motorcycles, cars, light commercial vehicles and marine engines. This versatile kit provides mechanics and technicians with the essential equipment needed to accurately assess engine health and identify potential cylinder or valve issues. The kit features a large dual-reading pressure gauge displaying measurements in both psi (0-600) and bar (0-40), protected by a heavy-duty rubber guard to withstand workshop conditions. The flexible hose incorporates anti-kink coils at both ends to enhance durability during repeated use, whilst the integrated Schrader one-way valve system and spring-loaded pressure relief valve ensure accurate readings and safe operation. With 37 pieces including multiple petrol adaptors (M10, M12, M18mm), dummy glow plugs in various sizes, clamping brackets and adaptor sleeves, this master kit offers exceptional compatibility across different engine types and configurations. The comprehensive selection of adaptors makes it particularly suitable for workshops servicing diverse vehicle fleets or marine equipment. All components are supplied in a protective plastic storage case for organised transport and storage. Features and Benefits: • Compatible with most motorcycles, cars, light commercial vehicles and marine engines • Large dual reading pressure gauge 0-600psi/0-40bar • Fitted with a heavy duty rubber protector • Anti-kink coil attached to either end of the flexible hose • Spring-loaded pressure relief valve • Integrated Schrader one-way valve system • Supplied in a plastic storage case Contents: 1 x Dual reading gauge 1 x Universal adaptor with sleeve 1 x Right angled hose adaptor 1 x Non-threaded glow plug 3 x Petrol adaptors – M10, M12, M18mm 3 x Clamping brackets 4 x Large dummy glow plugs 5 x Adaptor sleeves 22 x Dummy glow plugs 1 x Assorted sealing washers