This Draper kit is designed for pressure testing radiators of the most popular vehicles The Draper 23420 is an expert quality radiator and cap pressure test kit. The kit will also pressure test radiator caps for leakage. The 33 colour coded adaptors allow direct connection to the radiator or expansion tank. The Hand pump with gauge graduated with bar and PSI allows simple and easy controlled pressurization via a quick coupling system. The pressure release pin allows the system to be depressurized prior to detachment. Features: Will pressure test radiator caps for leakage  33 colour coded adaptors allow direct connection to radiator or expansion tank  Hand pump with gauge graduated with bar and PSI allows simple and easy controlled pressurization via a quick coupling system  The pressure release pin allows the system to be depressurized prior to detachment  Supplied in carrying case with display sleeve Specification: Pack Qty: 33 piece