97 SERIES: VERSATILE T&D BLOCK MODEL NO. 9712 KEY FEATURES Extremely versatile for stringing aerial cables Wide sheave and throat ideal for aerial cable Lightweight aluminum alloy frame can be mounted directly to pole or suspended from messenger with accessory Sheave is high strength, abrasion-resistant nylon composite DOWNLOADS There are no publications for this product. SPECS 9712 Maximum O.D. Conductor 4 in. Maximum Working Load in suspension 5,000 lbs. Block Weight 16 lbs.