This 3,500 lb rated utility block is equipped with a 360-degree swivel safety hook and provides reliable insulation with a 30,000-volt dielectric rating for secure operations on power lines up to 1/2" inch rope diameter. The shells and sheaves are made of high dielectric, fiberfilled natural nylon. The shaft is of silicon bronze and the sheave bearings are oil impregnated bronze.

• Dielectric strength: 30,000 volts (dry weather)
• Maximum 1/2" rope
• 3,500 lb max load rating
• 360-degree swivel hook
• Spring-loaded safety latch
• Hotstick rings