Universal Stringing Block


UB1 Series Block with ball hook.

These rugged universal blocks feature high strength and low weight at a value price. With a 2,500 lb SWL, they can be configured with 5 different mounting options. Permanently lubricated bearings provide long term durability and an extreme temperature operating range.

• 8.1 – 13.0-lbs depending on configuration
• 2,500-lb overhead SWL
• 7” Block (O.D.)
• Double shielded, deep groove ball bearings
• 3” Sheave (rim width)
• Permanently lubricated to withstand -5F to 250F
• 3-1/8” Width (throat)
• Profile machined groove for concentricity
• Cast from A356 Aluminum and heat treated