Axcel ArmorTech Lite Pro Sight w/ Carbon Pro Bar 3 pin .019 RH/LH Black Ambidextrous. Multiple micor-adjust knobs and a 5 pin scope with 0.019" pins. It has 2nd and 3rd axis adjustability. Specifications for Axcel ArmorTech Lite Pro w/ Sight Carbon Pro Bar 5 pin: Manufacturer: Axcel Color: Black Hand: Ambidextrous Features of Axcel ArmorTech Lite Pro w/ Sight Carbon Pro Bar 5 pin: 41mm Accustat II scope on a bar sight weighing in at 9.6 oz Individually micro adjustable 5 x 0.019" pins Micro adjust elevation and windage locking levers Package Contents: Axcel ArmorTech Lite Pro w/ Sight Carbon Pro Bar 5 pin Axcel AALP-C319-4BK: ArmorTech Lite Pro Sight w/ Carbon Pro Bar 3 pin .019 RH/LH Black Ambidextrous