Kinex Systems Duel Bridge Micro Sight Lost XD 5 Pin .019 Lost XD. precision stackable pins precision etch markings tool-less lock knobs .001" per click micro adjust adjustable 2nd and 3rd axis level and clear protective fiber guard that provides 100 percent fiber protection. Level included. Package Contents: Kinex Systems Duel Bridge Micro Sight Lost XD The Duel Bridge 5 pin micro sight features a Duel Bridge mounting bracket that is 6 long and weighs 9 oz. precision stackable pins precision etch markings tool-less lock knobs .001 per click micro adjust adjustable 2nd and 3rd axis level and clear protective fiber guard that provides 100 percent fiber protection. Level included.