GN605-M8-10-VR Socket Set Screw Steel This allows full clamping of the flat faced ball at all times. Socket set screws with safety twist ball (types V and VR) are designed so the flat faced ball cannot twist more than a maximum of 9 degrees. The flat faced moveable ball (type B) allows the clamping or supporting of non-parallel surfaces..
3/16" CHAIN, PER FOOT, BLUE For best use, it is recommended to order more feet than the opening between bollards to allow for chain slack. At time of order, specify how many feet of chain is required.