Photo 1 of Heavy-Duty Double Block and Tackle Pulley System – 100Ft x 1/2'' Rope, 7700 LB(35KN) Breaking Strength, 4:1 Lifting Ratio – Ideal for Garage, Attic, and Heavy Lifting Applications

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Photo 1 of Heavy-Duty Double Block and Tackle Pulley System – 100Ft x 1/2'' Rope, 7700 LB(35KN) Breaking Strength, 4:1 Lifting Ratio – Ideal for Garage, Attic, and Heavy Lifting ApplicationsPhoto 2 of Heavy-Duty Double Block and Tackle Pulley System – 100Ft x 1/2'' Rope, 7700 LB(35KN) Breaking Strength, 4:1 Lifting Ratio – Ideal for Garage, Attic, and Heavy Lifting Applications