OMP produces, following the Punztec license, the hydraulic and universal pressing tool CRIMPY designed for service and for the production of a small series of tubes of car AC/&R air conditioning plants and of hydraulic and pneumatic circuits of low and medium pressure. In any case it is possible to use the pressing tool in all systems and sectors which need and assembling of parts and where these parts do not require great pressing forces. The tool may have different actuating sources, starting from a manual pump controlled by a lever up to a pump controlled by compressed air.