Precision Fit Mitre Rail If you are building jigs and fixtures for your table saw, router table, band saw or other tools with a miter slot, you need a miter bar that fits exactly (in a standard 3/8" (9mm) x 3/4" (19mm) miter slot) and slides smoothly. The jig and fixture bar do both. PROVEN PERFORMANCE This is the same adjustable bar that comes standard of our precision miter gauge, giving you the same proven accuracy on the jigs you build. BUILT-IN ADJUSTABILITY Six nylon screws along the length of the bar adjust with the simple twist of a screwdriver to accommodate any game in miter measure. This will give you an exact fit and keep it for years to come. GREAT VERSATILITY This 762mm rod has mounting holes every 102mm along its length giving you options to mount your fixings.