ProX XT-MBC2T 2 Ton Capacity Ceiling I-Beam Clamp For Hanging Stage Truss, LED Screen Or Line Array Systems - 3" to 7.5"ProX XT LMBC2T 2 Ton Capacity I Beam Clamp is designed for hanging truss and line array systems that range from 3" to 7. 5" in size. These beam clamps can be used as temporary or permanent fixed position lifting points for overhead rigging without the need for drilling or welding. Additionally, they are designed to reduce the I beam flange stress by distributing loads away from the flange edges during overhead lifting applications. Using beam clamps