แม่แรงกระปุก With large cast iron bases with a steel cylinder housing and an adjusting notched saddle. Fitted with an overload protection valve. Two piece pumping handle also operates hydraulic release. Use on a firm level surface, do not work under the vehicle until another means of support, such as axle stands, are used. Models B234, B337 and B541 are supplied in a robust blow moulded carry case. GS and TUV approved. (Load ratings are metric tonnes i.e. 1 tonne = 1,000kg). All supplied with spare seals.