The Light Source MWB Mega Claw (Black)The new standard for hanging intelligent lighting fixtures. Allows one man to hang intelligent fixtures. Simply flip the link up, place clamp over the pipe and the Mega Claw holds the weight of the fixture for you while you secure it with the solid 3 4" thick handle. The Mega Claw will fit onto (1 1 2" Pipe) 1. 9" OD to 2" OD. Specifications Minimum Size: 1. 5" pipe, 1. 90" OD pipe Maximum Size: 2" OD truss tube Safe Vertical Working Load: 1,100 lb