The Rockler Miter Gauge Fence extends up to 24” long to give you plenty of reference surface for perfect miters and 90° cuts. A sacrificial fence face is included to give you zero-clearance backup support for cutting dados and other joinery cuts. For perfect repeatability, a flip-down stop is also provided. Precision extruded aluminum is used for the body of the fence, ensuring accuracy without unnecessary weight. Telescopes out to a final length of up to 24′. Adjustable flip stop for perfectly repeatable cuts. Made from rigid extruded aluminum for durability and accuracy. Main body is 14”L x 2-1/4”H x 1-1/8”D; with the 2” extension, it is 16”L and expands to 24”L. Top- and front-facing universal T-tracks let you mount the included flip stop or other accessories. Melamine-coated MDF fence face attaches with included 2” T-bolts and easy-to-grip knobs. Extension piece can be attached to either side of fence; knurled knob makes adjustment and tightening easy. (1) Aluminum miter fence with extension arm. (1) Melamine-coated MDF fence face. (3) 5/16”-18 x 2” T-bolts. (3) 1” Easy-to-Grip Knobs.