Sealey 1000e transmission jack yankee 1tonne floor sealey 1000e heavy duty models supplied with chain for safe loading precision valve allows delicate adjustment when taking out gearbox and realigning during replacement four castors for extra manoeuvrability in confined spaces fully adjustable saddle with forward backward tilt side to side tilt on model no 1000esealey 1000e transmission jack yankee 1tonne floor