MLCS 2394 Extension Router Table Top & Fence with Universal Router Plate Phenolic 12" x 9" RouterPlatewith removable rings that allow 3 different size openings High Split Fence allows edge routing for safer vertical routing Router fence features 24" long Anodized Aluminum Angle to keep the fence at 90 for accuracy (within .010"/") Aluminum T-trackslots and aluminum Miter Slot The heavy 1-3/8" thick Table Tophas a durable 23-1/2" x 27" melamine surface, sturdy MDF core and polyethylene edges