All-Stainless Steel Twin Gears were originally designed for Greenstar® Pro. However, it is also compatible with the Greenstar® Elite. Upgrade your regular Twin Gear Set to an all-stainless steel version while retaining its advanced features, such as Bioceramic and Magnetic Technology, Pocket Recesses, and Cutting Points. All-Stainless Steel Twin Gear Set compatible with: • Greenstar® Pro (GS-P501 / GS-P502) • Greenstar® Elite (GSE-5000 / GSE-5010 / GSE-5050) Includes: • •