Stringing Block for Spacer-Type Aerial Cable
3- and 4-Conductor Capacities


  • 8 in. and 10 in. sheaves.
  • 2,500 lb. and 3,000 lb. max. working load, respectively.
  • Polished-groove and urethane-lined sheaves.
  • May be clamp-mounted or mounted using chain tightners.
  • Matching 3-conductor RB-707-3 and RB-703-4 Running Boards available.
  • Available with Fastrap® Cross Arm Bracket
  • Forever Warranty™



About the XS-707

The Sherman + Reilly XS-707 model is a multi-sheave distribution block for stringing spacer type aerial cable. Equipped with an aluminum cross-head with a swivel safety hook. These are hung on each pole, usually on the messenger bracket, and all three phase conductors are pulled in at one time. For use with the S&R running board RB-707 and and the B-707 bracket, which positions the block for accurate sag and easy placement of conductors into their insulators.

The XS-707 block provides a fast, economical method of stringing space type aerial cable or Triplex. For More Information about the XS-707 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.