Overhead Line B-Metal Clamp 100/80-161 Overhead Line B-Metal Clamp 100/80-161 Overhead Line Bi-Metal Clamps.Contact us for price and availability. Category: Rail Way Items Related products 3kV DC Silicon Rubber Vandal Proof Insulators Sparkgap Suspension Clamp TNB 91 3kV DC Solid Core Porcelain Insulators