Holmatro hydraulic wedges (HHW), otherwise known as spreaders or lifting wedges, are used to lift heavy loads or to separate parts of a construction from one another. The shape of the hydraulic wedge make it possible to use it with a minimal insertion space (5 to 10 mm). There are hydraulic (lifting) wedges that only lift vertically and wedges that can be used in all positions. Hydraulic wedges are lightweight and compact and can therefore be used in small spaces where it is not possible to use other lifting mechanisms.