A practical aluminium swing cheek pulley with a maximum working load of 20 kN ideal for use in rope rescue systems, swing sided opening. Specifications Material: Anodized aluminium Maximum breaking strength: 20 kN Maximum breaking strength (both directions): 10 kN Max rope diameter: 11 mm Certification: EN12278, UIAA approved Weight: 0.08 kg CE approved Our safety hardware and helmets belong to the CE group of PPE (personal protective equipment) and are certified to the required European Conformity directives.