The Graco Adjustable Comb Hardware 1000 Deluxe is a top of the line comb hardware set that includes screw in installation, scribed graduation lines, and a quality glass beaded finish. The upgrades to this product make adjustments easier and more precise. The graduation lines allow adjustments to be duplicated and moved precisely on the first attempt. The glass bead finish prevents rust and other wear over time. The screw in installation allows for more longevity and adjustment versus the standard glue in installation. The 1000 Deluxe comb hardware has a dimensions of 3/16" thick by 1" diameter.