B3 Exact 3D Q2 Sight LH Quick Disconnect System for easy adjustments; Built-in 3rd Axis Adjustment for accurate alignment; 7 Series Aluminum Extension Bar for durability; Multiple Mounting Options for versatility; Laser Engraved Elevation Adjustment Knob; Quad Tension Adjustment for stability; Matthews Bridge Lock and Pic Rail compatibility; Macro-Elevation Adjustment for precise calibration; Includes protective case and paper sight scales; Laser Engraved Sight Scales 1-1; Comes with 2 Standard Indicators; Left Handed