Jacks are hydraulic, jacks aluminum

Jacks aluminum it is twice easier than the jacks of the same loading capacity made of steel. Unilateral action, spring return of a rod. The corrugated basic surface of a rod prevents sliding of freight. Are irreplaceable during the work in limited space where there is no opportunity to use load-lifting mechanisms, during the works at height, or in cases when carrying of jacks on considerable distances, and also is necessary for works under water. Possess the increased corrosion resistance.