Makita Guide Rule Back Fence MLS100 M2300 Mitre Saw Chopsaw - JM23000204 The rip fence provides a cutting guide that runs from the front of the table to the back. This is parallel to the cutting plane of the blade. A Mitre gauge holds and guides the material at a specific angle to make a precise cut. The locking mechanism pivots from 45 to -45 degrees and slides into a slot (mitre slot) PRODUCTS THAT USE THIS PART Makita MLS100 Corded 255mm Mitre saw 110v 240v Makita M2300 255mm Compound Miter Saw.