The Petzl SPIN L1 is a high-efficiency single pulley with an integrated swivel, designed for streamlined hauling, load deviation systems, and tyroleans. Its triple-action opening side plate allows rope installation without disconnecting from the anchor, ensuring maximum simplicity in setup. The large diameter sheave with sealed ball bearings delivers exceptional efficiency, while the swivel ensures optimal handling, enabling pulley orientation under load and direct connection to carabiners, ropes, or slings. Technical PDFs Product Datasheet Pulleys Technical Notice for Users Spin L1 and L2 Technical Notice Declaration of Conformity PDFs Spin L1 EU Declaration of Conformity Spin L1 and L2 UK Declaration of Conformity PPE Protection PDFs PPE Inspection Procedure PPE Inspection Form Tips for Protecting Pulleys