There are several types of eye lag poles designed for installing eye lags into the ceiling. While originally designed for installing acoustical ceiling grid, eye lag poles are now being used in many trades including electrical, data comm low voltage and signage. We currently offer two types of eye lag poles, the Lagmaster Plus and the Purlin Master. So what's the difference? The Lagmaster Plus not only installs eye lags and ties the grid wire in place but has a small kit of interchangeable heads that can be switched out. Heads included will install Sammy Screws & Vertigo typ