EK-Pro Clamp 6/12 - 20 pack is a set of twenty tube clamps that are used in conjunction with barb fittings and soft tubing of outer diameter (OD) between 10 and 12mm. EK-Pro Clamps are manufactured from hot-rolled low-carbon steel sheets characterized by their excellent formability. They are reusable and act as a fast and easy way to secure soft tubes on a barb fitting, avoiding any possible leaks or unwanted tube disconnects. Technical Specification: - Tube diameter compatibility: Minimum diameter of 10mm and a maximum of 12mm - Clamp material: Steel - Pack size: 20 pieces Model: 3831109909140