Sealey air operated jack 30t single stage sealey yaj30h a 30t air operated jack from sealey ideal for workshop or roadside use these jacks take the effort out of lifting heavy plant tractors and commercial vehicles for extra safety features dead mans handle which also aids controlled lowering speed supplied with extensions that close the gap between the saddle of the jack and the jacking point a comprehensive range of 13 models see logo beside each jack for main features and the ch