BOW Products XT XTENDER XT536 Table Saw Fence System 24in (Fence Only). This 24-inch fence extension system adds a taller, longer working surface to your table saw, portable saw, band saw, cabinet saw, or router table. The 5-inch tall aluminum extrusion with a 4-inch flat face attaches quickly to your existing fence using the rear slots, allowing you to position it forward, centered, or back depending on your cut needs. Multiple T-slots along the face, top, and back accept 1/4-inch and 5/16-inch T-bolts for featherboards and other accessories.