Sealey HT Tester Set 4pc VS5261 5% Cobalt gives increased heat

5% Cobalt gives increased heat hardness which helps extend the life of the drill bit

5 x 30 x 1420mm

13/16"(21mm)

The inclusion of the nitrogen (N2) purge facility allows the unit to increase the effectiveness of this increasingly popular tyre service

High performance

Sealey HT Tester Set 4pc VS5261 5% Cobalt gives increased heatSet allows single or multiple testing. Simply fit tester between spark plug and HT lead and then run engine. Regular flashing of the testers indicates a good HT supply. Not suitable for engines with deeply recessed plugs. Set allows single or multiple testing. Simply fit tester between spark plug and HT lead and then run engine. Regular flashing of the testers indicates a good HT supply. Not suitable for engines with deeply recessed plugs.