Sealey-Cooling-System-Cap-Testing-Kit-Sealey-VS0031-p-Capless-cooling-system-tester-uses-an-inflatable-bladder-to-seal-the-pressure-head-to-the-radiator-or-header-tank-Bladder-system-can-be-used-on-both-screw-&-bayonet-fittings-&-seals-90-of-cars-&-light-commercial-vehicles-straight-out-of-the-box-Also-suitable-for-motorcycles-off-road-&-marine-applications-Supplied-with-set-of-double-end-adaptors-enabling-testing-of-cooling-system-pressure-caps-Supplied-in-storage-case-p-