FLEX STACK PACK™ Side Mount Rails, 2 Pack bridge TRACK-LOCK™ hooks and racks into the STACK PACK™ system for total organization. These rails securely attach to the sides of STACK PACK™ tool storage boxes, featuring a quick-clamp mounting system that allows easy, tool- setup and adjustments of TRACK-LOCK™ hooks and racks. Each Side Mount Rail supports up to 30 lbs, enabling you to hang, mount, or attach a variety of power tools and equipment to your STACK PACK™ setup for easy access on the jobsite and unrivaled organization in the shop or on the go. Model Number: FS1608-2