Find leaking hoses, joints, water pumps, radiators and core plugs in vehicle cooling systems fast. Helps find leaks in the least obvious places. Ideal for use in conjunction with cooling system pressure tester. Supplied with rugged 12Volt ultraviolet lamp. Kit includes ten single doses of fluorescing dye and UV enhancing spectacles for use in normal workshop lighting conditions. Supplied with hose adaptors and comprehensive operating instructions. Includes carry-case.