Tough and reliable solution for temporary leads and line deflection. Features easily operated latch mechanism, soft resilient cheeks, removable aluminum sheave, stainless steel needle roller bearings, and 'Cam Lock' models feature easier opening and positive closure. Materials: 316 stainless steel frame and load strap, anodized aluminum sheave, 316 stainless steel needle roller bearings, soft PVC cheeks, and investment cast stainless steel snap shackle.Sheave Dia.:1-3/4" (45mm)Max. Rope: 5/8" (16mm)Deforms At (lb): 5000