Sealey ball joint splitter hydraulic manual hgv sealey vs3813 heavy duty ball joint splitter suitable for hgv vehicles specially designed to be operated manually or by 12tonne hydraulic ram supplied features a step down thread adaptor that allows fitting of the manual thrust screw or hydraulic ram hydraulic ram interchangeable with model no ps990 supplied in carry case sealey vs3813 ball joint splitter hydraulic and manual hgv