THOMSON'S T-SERIES IS A LIGHTWEIGHT, FLEXIBLE AND FORGIVING ALTERNATIVE TO ALL-STEEL PROFILE RAILS. THIS HIGH QUALITY PRODUCT IS MADE FROM AIRCRAFT ALUMINUM ALLOY WITH HARDENED STEEL LOAD BEARING PLATES AND BALL PATHS AND IS AN IDEAL CHOICE FOR APPLICATIONS REQUIRING REDUCED WEIGHT INERTIA.? THIS ALUMINUM GUIDANCE SYSTEM USES HARDENED STEEL INSERTS IN CARRIAGES AND RAILS TO PROVIDE A LOW-WEIGHT SOLUTION FOR CRITICAL, HIGH PERFORMANCE APPLICATIONS.