The Bosch Table Saw Rip Fence Assembly (2610950148) clamps to the table and guides the work piece when making rip cuts. This is an O.E.M. authorized part. Works with Bosch models: 4100, 4100DG-09 Worksite, 4100DG-09 Worksite, 4100-09 Worksite, 4100-09 Worksite.