The Unimec Technopolymer Screw Jacks Aleph series of trapezoidal screw jacks from Unimec, available from HMA Flow & Industrial, includes two sizes, with technopolymer components for high mechanical performance and reliability. The Aleph series screw jacks feature the same load-handling functions and irreversibility features as full-metal screw jacks. Aleph screw jacks can work singularly or in groups connected by means of joints, shafts and bevel gearboxes.