Customer Service
Greenlee Hook-Type Sheaves - 4,000lb Capacity, 12" (304.8mm) diameter with 3-5/16" (84.1mm) minimum radius, Strong welded steel frames, Forged steel closure-type hooks with 1" opening, 5" (127mm) wide aluminum alloy sheaves with self-lubricating bearings
Customer Service
1.888.467.7626