Tandem Sheave Stringing Pulley Block SHR-2.5 Tandem Sheave Stringing Block bundled conductor block, it is with the carts before and after, increase the contact area of the wire and wheel groove which can be through a variety of connectors.According to material of pulley, it can be divided into aluminum alloy wheel, nylon wheel. Technical Parameters Item number Rated load (kN) Breaking load (kN) Application conductor Weight (kg) Remark 10211 25 50 ACSR300~500 9.8 Aluminum sheave 10212 25 50 8…