The Delta Rockwell LTA 450 is a vintage, heavy-duty metal rip fence assembly designed for 10-inch Unisaw table saws, commonly found on mid-1950s to 1960s models. Known for its robust, classic design, this features a manual locking mechanism for stability. Original rip fence assembly for 10 Unisaw Model 34-450. Design: Heavy-duty metal construction featuring a sliding, locking mechanism (often referred to as a “lock fence”) that tightens down on the table to provide a secure, accurate rip. Measures approximate 33.5 long (not including lock handle). Used condition with rust spots. Please see pictures for more on condition. Also, please take a look at our other listings. Thanks for viewing our item!