Rock Exotica Machined Rescue Pulley The Machined Rescue Pulley in single sheave and double sheave raise the bar for thier impressive strength, slim profile and a quality of manufacture that is second to none. Body Material: Aluminum Sheave Type: Bearing Sheave Material Aluminum Width: 2.5" (63mm) Height: 3.5" (89mm) Depth: 0.9" (23mm) Certification CE Machinednot stamped parts, create a stronger pulley, increasing its strength-to-weight ratio. MBS: 36 kN W.L.L.: 8kN Sheave Dia: 1.5" (38mm) Max Rope Dia: 1/2" (13mm) Weight: 5.1 oz (144gm)