3-Hole Messenger Suspension Clamp, For 1/4"-7/16" Strand, Galvanized Steel, Straight Clamps are also called straps and there are a variety of types such as a 3-Hole/3-Bolt Suspension Clamp, Beam Clamp, C-Connector Clamp, Crossover Clamp, D-Lashing Clamp, B-Clamp, Bug Nut, Jumper Clamp, Lattice Tower Clamp and Messenger Clamp w/ Hook. These Clamps are ultimately used for securing strand, figure 8 wire or copper wire to poles. Hubbell Power Systems 7903