S23 Features: Fast height change capability with Lift-n-Lock™ spring assisted counterbalancing system that operates without knobs or cranks. Durable and smooth Teflon™ glide adjusts depth of tray on 23” track for deep storage. Adjustment Ranges: 5.5” neck. 360° swivel. 10° positive tilt to 15° negative tilt. For sit-to-stand applications: 12.5” height range (5.5” below to 7” above work surface)