Hastings Side-Opening Hand Line Block with Swivel Hook and Safety Snap

• Block and sheave constructed of rugged nylon fiberglass reinforced high dielectric material
• Reinforced 1/2" diameter axle, swivel bearings
• 3" sheaves - block can accommodate rope up to 5/8" diameter
• Blocks are rated with 3-1 safety factor
• Working load limit 1,000 lbs.