JR Clancy Multi-Sheave Blocks

• Blocks may be mounted upright or underhung
• Blocks with three or more sheaves are constructed with the base angle legs turned in to allow close mounting centers. Base angles are notched to clear ropes and cables.
• Nylon or ASTM Class 30 grey iron sheaves
• 17 mm (0.67″) sealed precision ball bearings
• 12-gauge (2.65 mm) side plates located outside and between sheaves