The CBE Elite 3D sight features a precision 1 7/8 inch travel adjustment, stainless steel ACME lead screw for fast, smooth adjustment, Elevation click adjustment of .002 with locking system, Scope leveling unit with dual locking screws, micro-adjust windage unit with .0025 clicks, black anodized finish with gray anodized components, built-in 3rd axis adjustment, laser-engraved sight scale.