3 Sigma MBS: 26kN (5,845 lbf) * The Oilite Bushing is self-lubricating and delivers reliable performance at a cost below that of a pulley manufactured with sealed ball bearings * Aluminum sheave and stainless steel rivet axle contribute to the reliability, efficiency and strength of this pulley * Aluminum side plates rotate for easy and secure placement at any point along rope * Designed to work with carabiners as large as the SMC Large Steel Locking Carabiner