This is an upgrade to the aluminum HQ Precision-Glide Track for the carriage (which the machine sits on). It includes HQ Precision-Glide Wheels for the machine.

For more information on this upgrade visit the upgrade information page and look for information on upgrades to your existing machine. 

Installation Documentation

Video for the Installation

*Tax and shipping not included. U.S. orders only. For International purchases click here or call us for information.