Product details:

Sugatsune ESR-7-28: Stainless Steel Full Extension Ball Bearing Drawer Slide SSR-7 Replacement Load Rating: 79 - 139 lbs. Three Member Material: 304 Stainless Steel Full Extension Front disconnect Positive lock Non handed Recommended Hardware: M4 or #8 Pan Head Screws Screws Not Supplied Full Extension Front Disconnect Positive Lock | Sugatsune ESR-7-28: 28" Full Extension Drawer Slide Steel