Sealey HT Tester Set 4pc VS5261 Metric Hex and Bi-Hex

Metric Hex and Bi-Hex

4* ART Approval

Supplied with mains charger and 2Ah lithium-ion battery

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

Sealey HT Tester Set 4pc VS5261 Metric Hex and Bi-HexSet 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.