KONG Aluminum Pulley - Block Roll Single pulley with mobile side plates, low friction ball bearing, integrated blocker, designed for climbing and rescue. Suitable for the recovery of materials in a wall, conceived for the preparation of single and double hoist for rescue and self-rescue. For ropes up to 12mm diameters. High-quality product. Made in Italy! Instructions of use - Cert Recommended for: Work activities: Scaffolding and trestles, Confined spaces, Tree climbing/arboriculture Rescue activities: Mountain rescue, Firebrigades, and civil protection Specification: Standards: CE EN 12278, CE EN 567, EAC Body and Wheel Material: Alu Alloy Color: Orange and Black Weight: 550g Breaking Strength: 30kN Maximum Rope Diameter: 12mm