Protects fiber optic cable during installation. Pulling radius of 26″ (660 mm); 13 aluminum rollers on bronze bearings allow cable to make a gradual 90° turn for easy pulling through manhole opening. Lightweight, corrosion-resistant aluminum side plates. Can be lowered into any manhole opening and chained in place for good alignment or used as a cable guide at street level. 2,600 lbs. (11,565 N) cable tension load capacity. 11⁄2″ (38 mm) maximum cable diameter (consult cable manufacturer for minimum bend radius). Support bar sold separately (see relevant products). Replacement Sheaves available.