THE universal stringing block

The most versatile conductor universal stringing block ever made. Can be used in suspension utilizing a high strength, hot dipped galvanized socket connector; or, used on crossarms thru 5″ x 6″ in five positions. 100% positive locking spring loaded head pin assembly has large loop for hot stick operation.

Key Features


Can be used in suspension utilizing a high strength, hot-dipped galvanized socket connector.


One sheave. Light but extremely rugged. Sheave and cross arm bracket base are heat-treated permanent mold castings. 100% positive locking spring-loaded head pin assembly has large hook for hot stick operation. Low friction sealed ball bearings are lubricated for life of block under normal conditions.


7 in. with a maximum 1-3/4 in.O.D. of conductor. Maximum working load 2,500 lbs. Used on crossarms from 5 x 6 in. to 9 1/2 x 7 in. positions with Fastrap® or crossarm bracket. Can be mounted vertically, or at various angles on a crossarm.


Four material options available for sheave/groove linings: polished-groove aluminum, urethane on aluminum, ductile iron, and nylon. Ductile iron is optimal for unusually rugged applications due to its resistance to abrasion. Additional fittings and accessories include: noose ball fitting, #1 hook, #1 hook with safety latch, #6 oval eye, #8 clevis, or a #3030 Y-clevis, pole mounting brackets, pole top bracket, adjustable insulator adapter, horizontal line post adapter, grounding stud, and a 1210 adapter.