TruGlo Aegis 1 Light 19 Bow Sight - 5 Position Detachable Bracket Black. 8'' ID aperture with clean a single 1 x 0.19'' vertical pin? Helical elevation gear for smooth adjustments? Extended elevation adjustment for easier setups? Dual yardage pointers and dual travel stops? Micro adjustable windage adjustment? Adjustable for left and right-handed users? Glow ring illuminates fixed level? 2nd and 3rd axis adjustment? 5 position detachable bracket Specifications for TruGlo Aegis 1 Light 19 Bow Sight - 5 Position: Manufacturer: TruGlo Color: Black Battery Type: Lithium Metal CR123A Attachment Type: No Mount Mount Type: No Mount Features of TruGlo Aegis 1 Light 19 Bow Sight - 5 Position 1.8'' ID aperture with clean a single 1 x 0.19'' vertical pin? Helical elevation gear for smooth adjustments? Extended elevation adjustment for easier setups? Dual yardage pointers and dual travel stops? Micro adjustable windage adjustment? Adjustable for left and right-handed users? Glow ring illuminates fixed level? 2nd and 3rd axis adjustment? 5 position detachable bracket Package Contents: TruGlo Aegis 1 Light 19 Bow Sight - 5 Position TruGlo TG-AG2211BD: Aegis 1 Light 19 Bow Sight - 5 Position Detachable Bracket Black