Biesemeyer 78-960 T-Square Table Saw BladeGuard System for 50-Inch and 52-Inch Fences Optional length systems of 60-inch and greater may be ordered for maximum right-hand cutting capacity. (Over 74-inch: T-Arm to be supported with a Ceiling Wire) 10-inch System for Home Shop 52-inch and Commercial 50-inch fence systems T-Squares, Anti-Kickback Spreaders See-through blade guard that allows for any blade angle.This guard is designed for 10 maximum diameter blade Includes T-arm assembly, blade guard, splitter, installation bracket, and mounting hardware