Shopsmith 10 E or ER Rip Fence Front Base Casting MPN: 103 430 (#1152). This is the type that uses the level locking-screw knob, not the downward-angled locking-screw knob that some have. 3-1/4″ wide x 3-1/8″ long x 1-1/2 tall. Good threads and bar groove. Bolt holes for the fence bar are 7/16″ dia x …