OK Vise clamp is a concept for a module easily install on fastening base and clamp workpiece repaidly. OK-VISE clamps expand when they are tightened down, simultaneously pressing the workpieces against the guide and preventing their movement. They are designed to take up very little space on the fastening base.The best advantage of it is reusability. The only additional investment needed is fixed stoppers. People can install it on position wherever there is a threaded hole fit the the bole on OK Vise clamp in advacne.