specification:Product Name: Vacuum Cup Level CompensatorLength: 86mmStroke: 23mmAir nozzle outside diameter: 5mmDescription:The technical and mechanical features are the same as for the mini cup holders with plunger valve. Their distinctive features are their threaded hexagonal bush, which allows them to be directly assembled to the vacuum manifold, thus saving time and eliminate pipes and fittings.Quick coupler in head.Color: silverMaterial: iron + siliconePackage Contents:1 * Suction cup mount1 * vacuum suction cup