The Light Source MSCMSE Mega Slim Coupler Eye Nut (Silver)The Mega Coupler with Eye Nut has a Forged Steel Eye Nut for making rigging connections from a pipe or truss. The Forged Eye Nut is secured to the Mega Coupler with a 1 2 flathead socket screw with permanent loctite. The Eye Nut rigging connection is 2 3 4 below the pipe and is able to swivel for proper orientation before loading. The Mega Coupler will fasten from 1 1 4 pipe (1. 660 OD) to 2. 050 OD truss tube. The Mega Coupler has our wide wing nut