Sealey-4-Piece-HT-Tester-Set-Sealey-VS5261-p-Set-allows-single-or-multiple-testing-Simply-fit-tester-between-spark-plug-&-HT-lead-&-then-run-engine-Regular-flashing-of-the-testers-indicates-a-good-HT-supply-Not-suitable-for-engines-with-deeply-recessed-plugs-p-div-table-tr-td-Model-No-td-td-VS5261-td-tr-tr-td-Nett-Weight-td-td-0-07 Kg-td-tr-table-div-Sealey-VS5261-Ht-Tester-Set-4pc