Positions Larger Stringing Blocks on Angles for Installing OPT-GW and ADSS Fiber Optic Cables


  • Urethane-covered back
  • Large Diameter hole at top
  • Hooks with spreaders for bundle conductors also available
  • Will adjust to fit wood or concrete/steel poles.
  • Capable of “floating outward” should the load and force during stringing dictate more angle.
  • Arm and rollers can be rotated to facilitate stringing in either direction. Fits sizes 12″ through 16″ 74 series and sizes 20″ through 35″ 78 series S+R single conductor stringing blocks



A new unique fiber-optic block support device (BSD) has been created to utilize larger stringing blocks on angles when installing OPT-GW and especially ADSS fiber optic cables. The BSD is used when enough pulling force cannot be generated to make the larger, heavier blocks “swing out” and articulate for proper angle alignment.
The all aluminum BSD is fully adjustable to incorporate various angles and is designed to fit and accept sizes 12” through 16” 74 series and sizes 20” through 35” 78 series S+R single conductor stringing blocks. The BSD will adjust to fit both wood and concrete/steel poles.

For More Information about the Block Support Device contact your local Sherman + Reilly Representative or call Sherman + Reilly directly at 1-800-251-7780.

There are no specifications available for this product.

Please refer to the Product Sheet found on this page under Downloads.