Mitee-Bite? OK-Vise? Multi-Rail System Stop, Combo Smooth End & Serrated Balls End, Includes T-Nut & Screw. OK-Vise? Multi-Rail System is a versatile fixturing system perfect for all machining centers. Using the components of the system, even the most challenging workpiece types can be machined. All sides of a workpiece can be machined with two setups. Multiple workpieces can be clamped simultaneously. Workpiece will be safely fixtured in all conditions. It is also possible to clamp very large workpieces. The addition of the new Speed Stop eliminates the need for the standard Stop (Part No. 47200) to be placed behind clamp. The user can quickly adjust the location of the clamp allowing for different sized parts to be loaded and unloaded faster and more efficiently. Mitee-Bite? Part #47200