The most versatile conductor 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. The XS-100-B is light but extremely rugged. Sheave and crossarm bracket base are permanent mold castings with heat treatment. Anti-friction ball bearings are lubricated for life of block under normal conditions. Neoprene and Urethane linings are available — both provide a resilient cushion for the wire being strung. Urethane has tremendous abrasion resistance for unusually rugged applications.