Ryobi BT3000 BT3100 Rip Fence w/NEW CNC Aluminum Tail Pc. This has a Brand New CNC Machined tail piece assembly. This is a very durable upgrade. Excellent to Very good condition. It was tested on working saw and it clamps well in front and rear with no issues. The rear adjusting screw turns freely and is fully adjustable. Cleaned with sanitizing wipes.